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2004 GMC Sierra 2500 HD
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2004 GMC Sierra 2500 HD

2004 GMC Sierra 2500 HD Mufflers

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Muffler -
Kool Vue
Muffler -
Part Number: KV150108
Guaranteed to Fit
$89.49
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.6L
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.6L
Product Details
Inlet Size : 2.25 in. Inlet SizeOutlet Size : 3.25 in. Outlet SizeColor Finish : PolishedQuantity Sold : Sold individuallyWarranty : 1-year Kool Vue 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 : MildProduct Fit : UniversalReturns Policy : 30-Day Return PolicyInlet Quantity : SingleOutlet Quantity : DualInlet Location : CenterHeight : 4.5 in. HeightBody Length : 10 in. Body LengthWidth : 4.5 in. WidthAttachment Style : Clamp-OnMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementExhaust Tip Material : Tip Made of SteelOutlet Location : CenterCase Shape : RoundExhaust Tip Finish : Polished TipOverall Length : 18.5 in. overall lengthInterchange Part Number : GM2707
Muffler
Kool Vue
Muffler
Part Number: KV150103
Guaranteed to Fit
$70.99
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.6L
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.6L
Product Details
Inlet Size : 2.25 in. Inlet SizeOutlet Size : 4 in. Outlet SizeColor Finish : PolishedQuantity Sold : Sold individuallyWarranty : 1-year Kool Vue 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 : MildReturns Policy : 30-Day Return PolicyInlet Quantity : SingleOutlet Quantity : SingleInlet Location : CenterHeight : 6 in. HeightBody Length : 13.75 in. Body LengthWidth : 6 in. WidthAttachment Style : Clamp-OnTip Diameter : 4 in. Tip DiameterMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementExhaust Tip Material : Tip Made of SteelOutlet Location : CenterCase Shape : RoundExhaust Tip Finish : Polished TipOverall Length : 17.5 in. overall lengthInterchange Part Number : 842448
Muffler -
Davico®
Muffler -
Part Number: DAV491533
Guaranteed to Fit
$77.49
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
Product Details
Color Finish : Factory FinishQuantity Sold : Sold individuallyWarranty : 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and weldsProp 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
Super 40 Series Muffler, Black, May Require Minor Modification
Flowmaster®
Super 40 Series Muffler, Black, May Require Minor Modification
Part Number: F13853548
Guaranteed to Fit
$185.95
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.6L
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.6L
Product Details
Series : Super 40 SeriesInlet Size : 3.5 in. Inlet SizeOutlet Size : 3.5 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.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetOutlet Quantity : Single Outlet(s)Inlet Location : Offset
Muffler -
Walker®
Muffler -
Part Number: WK21522
Guaranteed to Fit
$134.99
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.6L 167.0 in. Wheelbase
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.6L 133.0 in. Wheelbase
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.6L 143.5 in. Wheelbase
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.6L 157.5 in. Wheelbase
Product Details
Series : Quiet-Flow3 SeriesQuantity 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.

Material : Made of Aluminized SteelRecommended Use : OE Replacement
Muffler
BRExhaust®
Muffler
Part Number: BO1007217
Guaranteed to Fit
$177.99
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 8.1L 143.5 in. Wheelbase, Federal Emissions Equipped; Excluding Low Emissions Vehicles (LEV)
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 8.1L 133.0 in. Wheelbase, Excluding Low Emissions Vehicles (LEV); Federal Emissions Equipped
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 8.1L 153.0 in. Wheelbase, Federal Emissions Equipped; Excluding Low Emissions Vehicle (ULEV)
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.0L 133.0 in. Wheelbase, Excluding Low Emissions Vehicles (LEV); Federal Emissions Equipped
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.0L 143.5 in. Wheelbase, Federal Emissions Equipped; Excluding Low Emissions Vehicles (LEV)
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 8.1L 133.0 in. Wheelbase, Excluding Low Emissions Vehicles (LEV); Federal Emissions Equipped
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.0L 133.0 in. Wheelbase, Excluding Low Emissions Vehicles (LEV); Federal Emissions Equipped
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.0L 143.5 in. Wheelbase, Federal Emissions Equipped; Excluding Low Emissions Vehicles (LEV)
Product Details
Location : Driver Or Passenger SideNotes : (2) Inlet Quantity; (1) Outlet Quantity; 9 in. Body WidthQuantity Sold : Sold individuallyWarranty : 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.

Overall Length : 28 in.Recommended Use : OE Replacement
Muffler, Black
Flowmaster®
Muffler, Black
Part Number: F13530513
Guaranteed to Fit
$278.95
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 8.1L
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.0L
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
Product Details
Series : 50 Series Big Block SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 3.5 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.

Attachment Style : Clamp-On or Weld-OnSound Level : MildMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : DualOutlet Location : OffsetCase Shape : OvalOverall Length : 28 in. overall lengthOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : Center (Dual)Height : 5 in. HeightBody Length : 22 in. Body Length
Muffler
AP Exhaust®
Muffler
Part Number: APE2525
Guaranteed to Fit
$215.49
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 8.1L Rear Wheel Drive; 143.5 in. Wheelbase
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.0L Rear Wheel Drive; 157.5 in. Wheelbase
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Rear Wheel Drive; 167.0 in. Wheelbase
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.0L Four Wheel Drive; 143.5 in. Wheelbase
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 8.1L Rear Wheel Drive; 143.5 in. Wheelbase
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Rear Wheel Drive; 167.0 in. Wheelbase
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 8.1L Rear Wheel Drive; 153.0 in. Wheelbase
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Rear Wheel Drive; 153.0 in. Wheelbase
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 : PerformanceEmissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)
Muffler
AP Exhaust®
Muffler
Part Number: APE2548
Guaranteed to Fit
$134.49
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.6L Rear Wheel Drive
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.6L Four Wheel Drive
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.6L Four Wheel Drive
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.6L Four Wheel Drive
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
Muffler
AP Exhaust®
Muffler
Part Number: APE700488
Guaranteed to Fit
$79.49
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 8.1L Rear Wheel Drive; 143.5 in. Wheelbase
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.0L Rear Wheel Drive; 157.5 in. Wheelbase
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Rear Wheel Drive; 167.0 in. Wheelbase
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.0L Four Wheel Drive; 143.5 in. Wheelbase
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 8.1L Rear Wheel Drive; 143.5 in. Wheelbase
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Rear Wheel Drive; 167.0 in. Wheelbase
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 8.1L Rear Wheel Drive; 153.0 in. Wheelbase
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Rear Wheel Drive; 153.0 in. Wheelbase
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 : PerformanceEmissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)
Muffler, Stainless, Universal
Flowmaster®
Muffler, Stainless, Universal
Part Number: F1372469
Guaranteed to Fit
$155.95
Vehicle Fitment
  • 2004 GMC Sierra 2500 HD WT 8 Cyl 6.0L Not A Direct Fit Muffler. Fabrication Will Be Required
  • 2004 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Not A Direct Fit Muffler. Fabrication Will Be Required
  • 2004 GMC Sierra 2500 HD Base 8 Cyl 6.0L Not A Direct Fit Muffler. Fabrication Will Be Required
  • 2004 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Not A Direct Fit Muffler. Fabrication Will Be Required
Product Details
Color Finish : StainlessQuantity Sold : Sold individuallyWarranty : 1-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium (hexavalent compounds) and Nickel (Metallic), 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.

Recommended Use : Performance ReplacementProduct Fit : Universal
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
$133.95
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
$113.95
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
Super 10 Series Muffler, Black
Flowmaster®
Super 10 Series Muffler, Black
Part Number: F138430152
Universal Fit
$99.95
Product Details
Series : Super 10 SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 2.5 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 ReplacementInlet Quantity : SingleOutlet Location : Center (Dual)Case Shape : OvalOverall Length : 12.5 in. overall lengthOutlet Quantity : Dual Outlet(s)Internal Construction : ChamberedInlet Location : CenterHeight : 4 in. HeightBody Length : 6.5 in. Body Length
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Product Questions & Answers

Flowmaster 40 Series Delta Flow Series Muffler, Black, May Require Minor Modification
$133.95
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.
 
1 Question, 1 AnswerView all Q&As >