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2001 GMC Sierra 2500 HD

2001 GMC Sierra 2500 HD Exhaust Systems

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Exhaust System, 6.0L Engine, Crew Cab Pickup, Four Wheel Drive 78.0 In. Bed -
Part Number: M79S5012AL
Guaranteed to Fit
$614.99
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup, Rear Wheel Drive
  • 2001 GMC Sierra 2500 HD SLT 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup, Rear Wheel Drive
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup, Four Wheel Drive
Product Details
Material : Made of Aluminized SteelSeries : Installer Cool Duals SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : MBRP 3-year 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, 6.0L Engine -
Part Number: M6615829
Guaranteed to Fit
$938.00
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup, Rear Wheel Drive, Dual Split Rear Exit
  • 2001 GMC Sierra 2500 HD SLT 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup, Rear Wheel Drive, Dual Split Rear Exit
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup, Four 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, 6.6L Engine -
Part Number: M79S6000AL
Guaranteed to Fit
$524.99
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.6L 78.0 in. Bed, Crew Cab Pickup, Rear Wheel Drive
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.6L 96.0 in. Bed, Crew Cab Pickup, Rear Wheel Drive
  • 2001 GMC Sierra 2500 HD SLT 8 Cyl 6.6L 78.0 in. Bed, Crew Cab Pickup, Four Wheel Drive
Product Details
Material : Made of Aluminized SteelSeries : Installer SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : MBRP 3-year 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 : 4 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
American Thunder Series Cat-Back Exhaust System, Made of Aluminized Steel
Part Number: F1317328
Guaranteed to Fit
$647.95
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Extended Cab Pickup, RWD, With Dual Inlet Muffler
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Crew Cab Pickup, 4WD, With Dual Inlet Muffler
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.0L Crew Cab Pickup, 4WD, With Dual Inlet Muffler
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 8.1L Crew Cab Pickup, 4WD, With Dual Inlet Muffler
Product Details
Notes : Includes 50 Series Big Block 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 : 3.5 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct FitExit Location : Exit: After Rear Tire (Passenger Side)Why Buy : Aggressive Tone Chambered Muffler
Exhaust System, 6.6L Engine -
Part Number: M79S6000P
Guaranteed to Fit
$419.99
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.6L 78.0 in. Bed, Crew Cab Pickup, Rear Wheel Drive
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.6L 96.0 in. Bed, Crew Cab Pickup, Rear Wheel Drive
  • 2001 GMC Sierra 2500 HD SLT 8 Cyl 6.6L 78.0 in. Bed, Crew Cab Pickup, Four 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 : 4 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
Exhaust System, 8.1/6.0L Engine, 78.0 In. Bed, Crew Cab Pickup, Passenger Side -
Part Number: D2239378
Guaranteed to Fit
$537.49
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLT 8 Cyl 8.1L 78.0 in. Bed, Crew Cab Pickup; Passenger Side
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup; Passenger Side
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 8.1L 78.0 in. Bed, Crew Cab Pickup; Passenger Side
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup; Passenger Side
  • 2001 GMC Sierra 2500 HD SLT 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup; Passenger Side
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 8.1L 78.0 in. Bed, Crew Cab Pickup; 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 : 4 in. Main PipeRecommended Use : Performance ReplacementProduct Fit : Direct Fit
Exhaust System, 6.6L Engine -
Part Number: M6618980
Guaranteed to Fit
$565.00
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.6L 78.0 in. Bed, Extended Cab Pickup, 4WD, Single Passenger Side Rear Exit
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.6L 78.0 in. Bed, Extended Cab Pickup, 4WD, Single Passenger Side Rear Exit
  • 2001 GMC Sierra 2500 HD SLT 8 Cyl 6.6L 96.0 in. Bed, Crew Cab Pickup, RWD, Single Passenger Side Rear Exit
Product Details
Material : Made of Aluminized SteelSeries : Aluminized Custom Builder SeriesSystem Type : Turbo-BackQuantity Sold : KitWarranty : 1-year 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: Rear (Passenger Side)Main Piping Diameter : 4 in. Main PipeRecommended Use : OE Upgrade
Exhaust System, 6.0L Engine -
Part Number: M79S5010409
Guaranteed to Fit
$634.99
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.0L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2001 GMC Sierra 2500 HD SLT 8 Cyl 6.0L 78.0 in. Bed, Extended Cab Pickup, Rear Wheel Drive
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.0L 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: After Rear Tire (Dual Split Side)Main Piping Diameter : 2.5 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
Exhaust System, 6.0L Engine, Extended Cab Pickup/78.0 In. Bed -
Part Number: G27315547
Guaranteed to Fit
$699.49
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.0L 96.0 in. Bed, Extended Cab Pickup
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup
  • 2001 GMC Sierra 2500 HD SLT 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup
Product Details
Material : Made of Aluminized SteelSeries : Performance SeriesSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime Gibson 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 : 4 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
American Thunder Series Cat-Back Exhaust System, Made of Stainless Steel
Part Number: F13817328
Guaranteed to Fit
$765.95
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Extended Cab Pickup, RWD, With Dual Inlet Muffler
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Crew Cab Pickup, 4WD, With Dual Inlet Muffler
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.0L Crew Cab Pickup, 4WD, With Dual Inlet Muffler
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 8.1L Crew Cab Pickup, 4WD, With Dual Inlet Muffler
Product Details
Notes : Includes 50 Series Big Block MufflerMaterial : Made of Stainless SteelSeries : American Thunder 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.

Main Piping Diameter : 3.5 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct FitExit Location : Exit: After Rear Tire (Passenger Side)Why Buy : Aggressive Tone Chambered Muffler
Exhaust System, 6.0L Engine -
Part Number: M6615732
Guaranteed to Fit
$798.00
Vehicle Fitment
  • 2001 GMC Sierra 2500 HD SLT 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup, Four Wheel Drive, Single Passenger Side Rear Exit
  • 2001 GMC Sierra 2500 HD SLE 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup, Four Wheel Drive, Single Passenger Side Rear Exit
  • 2001 GMC Sierra 2500 HD SL 8 Cyl 6.0L 78.0 in. Bed, Crew Cab Pickup, Rear Wheel Drive, Single Passenger Side Rear 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: Rear (Passenger Side)Main Piping Diameter : 4 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
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Works fine. Not quite as loud as I wanted but for that I need to customize my own exSee More
Shauna K.
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Product Questions & Answers

Q:does this include everything need from front to back?  does this system need any welding to be installed? Show Less
kerri K.
A:BEST ANSWERHi Kerri, thank you for reaching out. No, this does not. This item attaches after the catalytic converter hence the name. This item doesn't require welding for installation. Click this link to view the installation guide: https://mfcdnstorage.blob.core.windows.net/installsheets/15732.pdf Click this link to order the part at a discounted price today while supplies last: https://www.carparts.com/exhaust-system/magnaflow/m6615732?can=CPAP3648_CSQA_20230521 I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >