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2020 GMC Sierra 1500
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2020 GMC Sierra 1500

2020 GMC Sierra 1500 Mufflers

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Muffler -
Magnaflow®
Muffler -
Part Number: M6619533
Guaranteed to Fit
$679.00
Vehicle Fitment
  • 2020 GMC Sierra 1500 Base 8 Cyl 5.3L Extended Cab Pickup
  • 2020 GMC Sierra 1500 Denali 8 Cyl 5.3L Crew Cab Pickup
  • 2020 GMC Sierra 1500 Elevation 8 Cyl 5.3L Crew Cab Pickup
  • 2020 GMC Sierra 1500 SLT 8 Cyl 5.3L Crew Cab Pickup
  • 2020 GMC Sierra 1500 Base 6 Cyl 4.3L Crew Cab Pickup
  • 2020 GMC Sierra 1500 AT4 8 Cyl 5.3L Crew Cab Pickup
  • 2020 GMC Sierra 1500 SLE 8 Cyl 5.3L Extended Cab Pickup
Product Details
Color Finish : NaturalQuantity 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.

Recommended Use : Performance Replacement
Muffler, Natural, Offset/Center, Reversible
Dynomax®
Muffler, Natural, Offset/Center, Reversible
Part Number: D2217233
Guaranteed to Fit
$166.99
Vehicle Fitment
  • 2020 GMC Sierra 1500 SLE 8 Cyl 5.3L Offset/Center; Reversible
  • 2020 GMC Sierra 1500 SLT 8 Cyl 5.3L Offset/Center; Reversible
  • 2020 GMC Sierra 1500 Denali 8 Cyl 5.3L Offset/Center; Reversible
  • 2020 GMC Sierra 1500 AT4 8 Cyl 5.3L Offset/Center; Reversible
  • 2020 GMC Sierra 1500 Base 8 Cyl 5.3L Offset/Center; Reversible
  • 2020 GMC Sierra 1500 Elevation 8 Cyl 5.3L Offset/Center; Reversible
Product Details
Series : Ultra Flo Welded SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 3 in. Outlet SizeColor Finish : NaturalQuantity Sold : Sold individuallyProp 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.

Attachment Style : Weld-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementInlet Quantity : SingleOutlet Location : CenterCase Shape : OvalOverall Length : 25 in. overall lengthOutlet Quantity : Single Outlet(s)Internal Construction : Straight-ThroughInlet Location : OffsetHeight : 4.5 in. HeightBody Length : 20 in. Body LengthWidth : 9.75 in. Width
Muffler, Natural, with BORLA ATAK Cat-Back System
Borla®
Muffler, Natural, with BORLA ATAK Cat-Back System
Part Number: B2560679
Guaranteed to Fit
$211.99
Vehicle Fitment
  • 2020 GMC Sierra 1500 Denali 8 Cyl 6.2L With BORLA ATAK Cat-Back System
  • 2020 GMC Sierra 1500 AT4 8 Cyl 6.2L With BORLA ATAK Cat-Back System
  • 2020 GMC Sierra 1500 SLT 8 Cyl 6.2L With BORLA ATAK Cat-Back System
Product Details
Location : RearSeries : S-type SeriesInlet Size : 3.5 in. Inlet SizeOutlet Size : 3.5 in. Outlet SizeColor Finish : NaturalQuantity Sold : Sold individuallyWarranty : Million-mile Borla 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.

Material : 304 stainless steelRecommended Use : Performance ReplacementInlet Quantity : 1 InletOutlet Location : OffsetCase Shape : RoundOutlet Quantity : 1 OutletInternal Construction : TurboInlet Location : Offset
40 Series Original Series Muffler, Gray, May Require Minor Modification
Flowmaster®
40 Series Original Series Muffler, Gray, May Require Minor Modification
Part Number: F138043041
Guaranteed to Fit
$111.55
Vehicle Fitment
  • 2020 GMC Sierra 1500 SLE 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Denali 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Base 6 Cyl 4.3L
  • 2020 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Elevation 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 AT4 8 Cyl 5.3L
Product Details
Series : 40 Series Original SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 3 in. Outlet SizeColor Finish : GrayQuantity Sold : Sold individuallyProp 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.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : CenterCase Shape : OvalOverall Length : 19 in. Overall LengthOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Super 40 Series Muffler, Black, May Require Minor Modification
Flowmaster®
Super 40 Series Muffler, Black, May Require Minor Modification
Part Number: F13853046
Guaranteed to Fit
$139.45
Vehicle Fitment
  • 2020 GMC Sierra 1500 SLE 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Denali 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Base 6 Cyl 4.3L
  • 2020 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Elevation 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 AT4 8 Cyl 5.3L
Product Details
Notes : May Require Minor ModificationSeries : Super 40 SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 3 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyProp 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.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : CenterCase Shape : OvalOverall Length : 19.5 in. overall lengthOutlet Quantity : Single Outlet(s)Interchange Part Number : KV150103, 842446Internal Construction : ChamberedInlet Location : OffsetHeight : 5 in. HeightBody Length : 13.5 in. Body LengthWidth : 10 in. Width
Muffler, Black
Flowmaster®
Muffler, Black
Part Number: F1353056
Guaranteed to Fit
$167.35
Vehicle Fitment
  • 2020 GMC Sierra 1500 SLE 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Denali 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Base 6 Cyl 4.3L
  • 2020 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Elevation 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 AT4 8 Cyl 5.3L
Product Details
Notes : May Require Minor ModificationSeries : Super 50 SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 3 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyWarranty : 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.

Attachment Style : Clamp-On or Weld-OnSound Level : ModerateMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : CenterCase Shape : OvalOverall Length : 23 in. overall lengthOutlet Quantity : Single Outlet(s)Internal Construction : PerforatedInlet Location : OffsetHeight : 5 in. HeightBody Length : 17 in. Body LengthWidth : 10 in. Width
Muffler, Natural, This Item Does Not Fit Models with Rear Exhaust Valve
aFe®
Muffler, Natural, This Item Does Not Fit Models with Rear Exhaust Valve
Part Number: A1549C44137
Guaranteed to Fit
$213.00
Vehicle Fitment
  • 2020 GMC Sierra 1500 Denali 8 Cyl 6.2L This item does not fit models with rear exhaust valve
  • 2020 GMC Sierra 1500 AT4 8 Cyl 6.2L This item does not fit models with rear exhaust valve
  • 2020 GMC Sierra 1500 SLT 8 Cyl 6.2L This item does not fit models with rear exhaust valve
Product Details
Location : RearSeries : Apollo GT SeriesColor Finish : NaturalQuantity Sold : Sold individuallyWarranty : 2-year AFE 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.

Sound Level : ModerateMaterial : 409 Stainless SteelRecommended Use : Performance Replacement
Muffler, Gray
Flowmaster®
Muffler, Gray
Part Number: F1353071
Guaranteed to Fit
$199.75
Vehicle Fitment
  • 2020 GMC Sierra 1500 SLE 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Denali 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Base 6 Cyl 4.3L
  • 2020 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Elevation 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 AT4 8 Cyl 5.3L
Product Details
Series : 70 SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 3 in. Outlet SizeColor Finish : GrayQuantity Sold : Sold individuallyWarranty : 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.

Attachment Style : Clamp-On or Weld-OnSound Level : MildMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : CenterCase Shape : OvalOverall Length : 28 in. overall lengthOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 5 in. HeightBody Length : 22 in. Body LengthWidth : 10 in. Width
Muffler -
aFe®
Muffler -
Part Number: A1549C44121
Guaranteed to Fit
$225.00
Vehicle Fitment
  • 2020 GMC Sierra 1500 Base 8 Cyl 5.3L
Product Details
Series : Apollo GT SeriesColor Finish : NaturalQuantity Sold : Sold individuallyWarranty : 90-day AFE 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
Muffler, This Item Will Only Fit Models with Dual Front and Rear Valves -
aFe®
Muffler, This Item Will Only Fit Models with Dual Front and Rear Valves -
Part Number: A1549C44114
Guaranteed to Fit
$225.00
Vehicle Fitment
  • 2020 GMC Sierra 1500 Denali 8 Cyl 6.2L This item will only fit models with dual front and rear valves
  • 2020 GMC Sierra 1500 AT4 8 Cyl 6.2L This item will only fit models with dual front and rear valves
  • 2020 GMC Sierra 1500 SLT 8 Cyl 6.2L This item will only fit models with dual front and rear valves
Product Details
Quantity Sold : Sold individuallyWarranty : 2-year AFE 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.

FlowFX Series Muffler, Stainless
Flowmaster®
FlowFX Series Muffler, Stainless
Part Number: F13717911
Guaranteed to Fit
$758.95
Vehicle Fitment
  • 2020 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Denali 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Elevation 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 AT4 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 SLE 8 Cyl 5.3L
Product Details
Series : FlowFX SeriesColor Finish : StainlessQuantity Sold : AssemblyWarranty : 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.

Sound Level : Moderate to AggressiveTip Diameter : 3 in.Recommended Use : Performance Replacement
Muffler
AP Exhaust®
Muffler
Part Number: APE2621
Guaranteed to Fit
$110.49
Vehicle Fitment
  • 2020 GMC Sierra 1500 Denali 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 SLE 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 Elevation 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2020 GMC Sierra 1500 AT4 8 Cyl 5.3L
Product Details
Quantity Sold : Sold individuallyWarranty : 5-year or 50,000-mile AP Exhaust limited warranty on converter body and 25,000-mile limited warranty on emissionsRecommended Use : Performance
Afterburner Series Muffler, Natural, Universal
Flowtech®
Afterburner Series Muffler, Natural, Universal
Part Number: F3150370
Universal Fit
$130.95
Product Details
Series : Afterburner SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : NaturalQuantity Sold : Sold individuallyProp 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.

Attachment Style : Weld-On or Clamp-OnSound Level : AggressiveMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : UniversalInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 18 in. overall lengthOutlet Quantity : Dual Outlet(s)Internal Construction : ChamberedInlet Location : CenterHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 10 in. Width
40 Series Delta Flow Series Muffler, Black, May Require Minor Modification
Flowmaster®
40 Series Delta Flow Series Muffler, Black, May Require Minor Modification
Part Number: F139425422
Universal Fit
$120.55
Product Details
Notes : May Require Minor ModificationSeries : 40 Series Delta Flow SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.25 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyWarranty : 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.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : Center (Dual)Case Shape : OvalOverall Length : 19 in. Overall LengthOutlet Quantity : Dual Outlet(s)Internal Construction : ChamberedInlet Location : CenterHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Super 44 Series Muffler, Black, May Require Minor Modification
Flowmaster®
Super 44 Series Muffler, Black, May Require Minor Modification
Part Number: F13942545
Universal Fit
$102.55
Product Details
Notes : May Require Minor ModificationSeries : Super 44 SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyWarranty : 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.

Sound Level : AggressiveProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : CenterHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. WidthAttachment Style : Clamp-On or Weld-OnMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementOutlet Location : CenterCase Shape : OvalOverall Length : 19 in. Overall LengthInterchange Part Number : REPC961101
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Flowmaster 40 Series Delta Flow Series Muffler, Black, May Require Minor Modification
$120.55
Q:Is this a 3" in and 2 1\2 outlets?
Vincent B.
A:BEST ANSWERHi Vince, This muffler has a 2.5 inlet and 2.25 inches outlet diameter. Show less
Jeonino E.
 
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