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2003 GMC Sierra 1500
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2003 GMC Sierra 1500

2003 GMC Sierra 1500 Exhaust Systems

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Exhaust System, 5.3/4.3/4.8L Engine -
BRExhaust®
Exhaust System, 5.3/4.3/4.8L Engine -
Part Number: BO1060509
Guaranteed to Fit
$291.00
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L
Product Details
Notes : 3 in. Main Piping Diameter; (1) Muffler Quantity; Aluminized Muffler Finish; Gasket Included; Bolt-On Inlet Connection Type; OEM Location; U-Bolt Clamp Type; Aluminized Tip Finish; Aluminized Steel Tip Material; 1 Tip Quantity; Round Tip Shape; 3 in. Tip SizeMaterial : Made of Aluminized SteelSeries : Direct-Fit Exhaust SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : 2-year BRExhaust limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
Exhaust System, 5.3/4.8L Engine -
Flowmaster®
Exhaust System, 5.3/4.8L Engine -
Part Number: F1317428
Guaranteed to Fit
$651.95
Vehicle Fitment
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 78.0 in. Bed, Stepside, 4-Door, Extended Cab Pickup, Short Bed
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 78.0 in. Bed, Fleetside, 4-Door, Extended Cab Pickup, Short Bed
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 78.0 in. Bed, Fleetside, 4-Door, Extended Cab Pickup, Short Bed
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 78.0 in. Bed, Stepside, 4-Door, Extended Cab Pickup, Short Bed
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Stepside, 4-Door, Extended Cab Pickup, Short Bed
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L 78.0 in. Bed, Fleetside, 4-Door, Extended Cab Pickup, Short Bed
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Fleetside, 4-Door, Extended Cab Pickup, Short Bed
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Stepside, 4-Door, Extended Cab Pickup, Short Bed
Product Details
Notes : Includes Super 40 Series MufflerMaterial : Made of Aluminized SteelSeries : American Thunder SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Main Piping Diameter : 2.5 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct FitExit Location : Exit: After Rear Tire (Split Rear or Split Side)Why Buy : Aggressive Tone Chambered Muffler
Exhaust System, 5.3/4.8L Engine, 78.0 In. Bed, Standard Cab Pickup -
Flowmaster®
Exhaust System, 5.3/4.8L Engine, 78.0 In. Bed, Standard Cab Pickup -
Part Number: F1317435
Guaranteed to Fit
$689.95
Vehicle Fitment
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Standard Cab Pickup
Product Details
Notes : Includes Super 50 Series MufflerMaterial : Made of Aluminized SteelSeries : American Thunder SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Main Piping Diameter : 2.5 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct FitExit Location : Exit: After Rear Tire (Split Rear or Split Side)Why Buy : Aggressive Tone Chambered Muffler
Exhaust System, 5.3/4.3/4.8L Engine, 78.0 In. Bed, Standard Cab Pickup -
Flowmaster®
Exhaust System, 5.3/4.3/4.8L Engine, 78.0 In. Bed, Standard Cab Pickup -
Part Number: F1317360
Guaranteed to Fit
$449.95
Vehicle Fitment
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Standard Cab Pickup
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Standard Cab Pickup
Product Details
Notes : Includes Super 50 Series MufflerMaterial : Made of Aluminized SteelSeries : Force II SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Main Piping Diameter : 3 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct FitExit Location : Exit: After Rear Tire (Passenger Side)Why Buy : Mild Tone Chambered Muffler
Exhaust System, 5.3/4.3/4.8L Engine -
Magnaflow®
Exhaust System, 5.3/4.3/4.8L Engine -
Part Number: M6615792
Guaranteed to Fit
$938.00
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L GAS, 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L GAS, 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L GAS, 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L GAS, 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L GAS, 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Split Rear Exit
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Split Rear Exit
Product Details
Notes : Includes - Mounting hardware, 5 x 8 x 18 in. mufflerMaterial : Made of Stainless SteelSeries : MF SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime Magnaflow Limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Exit Location : Exit: Dual Split RearMain Piping Diameter : 3 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
Exhaust System, 5.3/4.3/4.8L Engine, 78.0 In. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant -
Flowmaster®
Exhaust System, 5.3/4.3/4.8L Engine, 78.0 In. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant -
Part Number: F13717924
Guaranteed to Fit
$661.95
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, 50 State Legal/California Emission Compliant
Product Details
Notes : 18 in. Muffler Body Length; 3 in. Muffler Inlet Diameter; 2.5 in. Muffler Outlet Diameter; 24 in. Muffler Overall Length; (1) Muffler Quantity; Natural Muffler Color; Brushed Muffler Finish; Centered Muffler Inlet Location; Dual Outlet Muffler Outlet Location; Oval Muffler Shape; Absorption Muffler Type; Moderate Sound Level; Angle Tip Cut; Rolled Tip Edge Style; Black Ceramic Tip Finish; Embossed Tip Logo; 304 Stainless Tip Material; Round Tip Shape; Single Wall Tip StyleMaterial : Made of Stainless SteelSeries : FlowFX SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime Flowmaster Limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Exit Location : Exit: After Rear Tire (Dual Split Side)Main Piping Diameter : 2.5 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
Exhaust System, 5.3/4.8L Engine, 78.0 In. Bed, Extended Cab Pickup -
Flowmaster®
Exhaust System, 5.3/4.8L Engine, 78.0 In. Bed, Extended Cab Pickup -
Part Number: F1317395
Guaranteed to Fit
$449.95
Vehicle Fitment
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup
Product Details
Notes : Includes Super 40 Series MufflerMaterial : Made of Aluminized SteelSeries : American Thunder SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Main Piping Diameter : 2.5 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct FitExit Location : Exit: After Rear Tire (Dual Passenger Side)Why Buy : Aggressive Tone Chambered Muffler
Exhaust System, 5.3/4.8L Engine -
MBRP®
Exhaust System, 5.3/4.8L Engine -
Part Number: M79S5016409
Guaranteed to Fit
$619.99
Vehicle Fitment
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
Product Details
Material : Made of Stainless SteelSeries : XP Cool Duals SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime MBRP limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Exit Location : Exit: Split RearMain Piping Diameter : 2.5 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
Exhaust System, 5.3/4.3/4.8L Engine -
Magnaflow®
Exhaust System, 5.3/4.3/4.8L Engine -
Part Number: M6615842
Guaranteed to Fit
$974.00
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L GAS, 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L GAS, 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L GAS, 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L GAS, 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L GAS, 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive, Dual Same Side Before Passenger Rear Tire Exit
Product Details
Notes : Includes - Mounting hardware, 5 x 11 x 22 in. mufflerMaterial : Made of Stainless SteelSeries : MF SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime Magnaflow Limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Exit Location : Exit: Before Rear Tire (Dual Passenger Side)Main Piping Diameter : 3 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
Exhaust System, 5.3/4.8L Engine -
MBRP®
Exhaust System, 5.3/4.8L Engine -
Part Number: M79S5014409
Guaranteed to Fit
$539.99
Vehicle Fitment
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
Product Details
Material : Made of Stainless SteelSeries : XP SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime MBRP limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Exit Location : Exit: After Rear Tire (Passenger Side)Main Piping Diameter : 3 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
Exhaust System, 5.3/4.3/4.8L Engine -
Borla®
Exhaust System, 5.3/4.3/4.8L Engine -
Part Number: B25140014
Guaranteed to Fit
$815.99
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, 4WD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, 4WD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, RWD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, 4WD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, RWD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, 4WD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, 4WD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, 4WD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, RWD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, RWD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, RWD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, 4WD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, RWD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, 4WD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, 4WD, 3 in., Incl. Connecting Pipe/Muffler/Hardware/4 in. Round x 14 in. Long Single Rolled Angle-Cut Tip, Side Exit, 50 State Legal / California Emissions Compliant, T-304 Stainless Steel
Product Details
Material : Made of Stainless SteelSeries : Touring SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : Million-mile Borla limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Main Piping Diameter : 3 in. Main PipeRecommended Use : Performance ReplacementProduct Fit : Direct Fit
Exhaust System, 5.3/4.8L Engine -
MBRP®
Exhaust System, 5.3/4.8L Engine -
Part Number: M79S5014P
Guaranteed to Fit
$344.99
Vehicle Fitment
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Four Wheel Drive
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
Product Details
Material : Made of Aluminized SteelSeries : Performance SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : 1-year MBRP limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Exit Location : Exit: After Rear Tire (Passenger Side)Main Piping Diameter : 3 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
Exhaust System, 5.3/4.3/4.8L Engine -
BRExhaust®
Exhaust System, 5.3/4.3/4.8L Engine -
Part Number: BO1060714
Guaranteed to Fit
$344.00
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L 119.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L 133.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L 119.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 133.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 133.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 133.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 133.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L 133.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L 133.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 133.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 133.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 133.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
Product Details
Notes : 2.75 in. Main Piping Diameter; (1) Muffler Quantity; Aluminized Muffler Finish; ; Bolt-On Inlet Connection Type; OEM Location; U-Bolt Clamp Type; Aluminized Tip Finish; Aluminized Steel Tip Material; 1 Tip Quantity; Round Tip Shape; 2.75 in. Tip SizeMaterial : Made of Aluminized SteelSeries : Direct-Fit Exhaust SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : 2-year BRExhaust limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Main Piping Diameter : 2.75 in. Main PipeRecommended Use : OE ReplacementProduct Fit : Direct Fit
Exhaust System, 5.3/4.8L Engine -
BRExhaust®
Exhaust System, 5.3/4.8L Engine -
Part Number: BO1060713
Guaranteed to Fit
$338.00
Vehicle Fitment
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L 119.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L 119.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 119.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L 119.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L 119.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 119.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 119.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 119.0 in. wheelbase, Multi-Part Replacement System; Replaces All Major Post-Converter Components, Gaskets and Clamps
Product Details
Notes : 3 in. Main Piping Diameter; (1) Muffler Quantity; Aluminized Muffler Finish; ; Bolt-On Inlet Connection Type; OEM Location; U-Bolt Clamp Type; Aluminized Tip Finish; Aluminized Steel Tip Material; 1 Tip Quantity; Round Tip Shape; 3 in. Tip SizeMaterial : Made of Aluminized SteelSeries : Direct-Fit Exhaust SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : 2-year BRExhaust limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Main Piping Diameter : 3 in. Main PipeRecommended Use : OE ReplacementProduct Fit : Direct Fit
Exhaust System, 5.3/4.3/4.8L Engine -
Dynomax®
Exhaust System, 5.3/4.3/4.8L Engine -
Part Number: D2239311
Guaranteed to Fit
$421.49
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 SLT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.3L Eng. Designation: LM7, Eng. VIN: T, GAS, 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.3L Eng. Designation: LM7, Eng. VIN: T, GAS, 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.3L Eng. Designation: L59, Eng. VIN: Z, FLEX, 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 WT 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.3L Eng. Designation: LM7, Eng. VIN: T, GAS, 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.3L Eng. Designation: LM7, Eng. VIN: T, GAS, 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.3L 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 SL 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 SLE 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
  • 2003 GMC Sierra 1500 Base 8 Cyl 4.8L 78.0 in. Bed, Extended Cab Pickup, Under 8600 Gross Vehicle Weight; Passenger Side
Product Details
Material : Made of Stainless SteelSeries : Ultra Flo Welded SS SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime Dynomax limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Exit Location : Exit: After Rear Tire (Passenger Side)Main Piping Diameter : 3 in. Main PipeRecommended Use : Performance ReplacementProduct Fit : Direct Fit
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