{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2007 GMC Sierra 2500 HD
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2007 GMC Sierra 2500 HD

2007 GMC Sierra 2500 HD Mufflers

Refine by:
See All

Shop Catalog

Showing 1 - 15 of 476 results
Display item:
15
30
45
Sort by:
Muffler -
Kool Vue
Muffler -
Part Number: KV150108
Guaranteed to Fit
$89.49
Vehicle Fitment
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.0L
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.6L
  • 2007 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2007 GMC Sierra 2500 HD SLT 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
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.0L
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.6L
  • 2007 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2007 GMC Sierra 2500 HD SLT 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 -
Walker®
Muffler -
Part Number: WK21706
Guaranteed to Fit
$275.49
Vehicle Fitment
  • 2007 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Crew Cab Pickup, 143.5 in. Wheelbase
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.0L Crew Cab Pickup, 143.5 in. Wheelbase
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Crew Cab Pickup, 153.0 in. Wheelbase
Product Details
Series : Quiet-Flow SeriesQuantity Sold : Sold individuallyWarranty : Lifetime Walker 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 : 31 in. overall lengthRecommended Use : OE Replacement
50 Series Heavy Duty Series Muffler, Black
Flowmaster®
50 Series Heavy Duty Series Muffler, Black
Part Number: F13853558
Guaranteed to Fit
$251.05
Vehicle Fitment
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.0L
  • 2007 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
Product Details
Series : 50 Series Heavy Duty SeriesInlet Size : 3.5 in. Inlet SizeOutlet Size : 3.5 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 : Weld-OnSound Level : ModerateMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 18 in. overall lengthOutlet Quantity : Single Outlet(s)Internal Construction : 3 ChamberInlet Location : OffsetHeight : 5 in. HeightWidth : 10 in. Width
Muffler
Dynomax®
Muffler
Part Number: D2224233
Guaranteed to Fit
$131.49
Vehicle Fitment
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.6L
  • 2007 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
Product Details
Series : Race Bullet SeriesInlet Size : 5 in. Inlet SizeOutlet Size : 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-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementInlet Quantity : SingleOutlet Location : CenterCase Shape : RoundOverall Length : 21 in. Overall LengthOutlet Quantity : Single Outlet(s)Internal Construction : Straight-ThroughInlet Location : CenterHeight : 6 in. HeightBody Length : 16 in. Body LengthWidth : 6 in. Width
Muffler -
Walker®
Muffler -
Part Number: WK21616
Guaranteed to Fit
$146.99
Vehicle Fitment
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.6L Standard Cab Pickup, Except Chassis Cab, Except Classic
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.6L Standard Cab Pickup, Except Chassis Cab, Except Classic
  • 2007 GMC Sierra 2500 HD SLT 8 Cyl 6.6L Extended Cab Pickup, Except Chassis Cab, Except Classic
Product Details
Series : Quiet-Flow SS 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.

Overall Length : 21 in. Overall LengthMaterial : Made of Stainless SteelRecommended Use : OE Replacement
50 Series Heavy Duty Series Muffler, Black, May Require Minor Modification
Flowmaster®
50 Series Heavy Duty Series Muffler, Black, May Require Minor Modification
Part Number: F13953558
Guaranteed to Fit
$223.15
Vehicle Fitment
  • 2007 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.0L
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
Product Details
Notes : Direct to headerSeries : 50 Series Heavy Duty 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 : ModerateMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 24 in. overall lengthOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 5 in. HeightBody Length : 18 in. Body LengthWidth : 10 in. Width
Muffler
BRExhaust®
Muffler
Part Number: BO1007279
Guaranteed to Fit
$541.99
Vehicle Fitment
  • 2007 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Crew Cab Pickup, 143.5 in. Wheelbase
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.0L Crew Cab Pickup, 143.5 in. Wheelbase
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Crew Cab Pickup, 143.5 in. Wheelbase
Product Details
Location : Driver Or Passenger SideNotes : (1) Inlet Quantity; (1) Outlet Quantity; 9.75 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 : 31 in.Recommended Use : OE Replacement
Muffler
AP Exhaust®
Muffler
Part Number: APE2589
Guaranteed to Fit
$182.49
Vehicle Fitment
  • 2007 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Four Wheel Drive; 153.0 in. Wheelbase
  • 2007 GMC Sierra 2500 HD WT 8 Cyl 6.0L Rear Wheel Drive; 143.5 in. Wheelbase
  • 2007 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Rear Wheel Drive; 133.0 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 : 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
Super 10 Series Muffler, Black
Flowmaster®
Super 10 Series Muffler, Black
Part Number: F138430152
Universal Fit
$89.95
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
Super 44 Series Muffler, Black, May Require Minor Modification
Flowmaster®
Super 44 Series Muffler, Black, May Require Minor Modification
Part Number: F139430452
Universal Fit
$102.55
Product Details
Series : Super 44 SeriesInlet Size : 3 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.

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: F139425472
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 : Dual 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 ReplacementExhaust Tip Material : Tip Made of Stainless SteelOutlet Location : Center (Dual)Case Shape : OvalExhaust Tip Finish : Polished TipOverall Length : 19 in. Overall Length
Page 1 of 32 | Showing 1 - 15 of 476 results

Top Rated Products

Kool Vue Muffler -
$89.49( Review)
Good quality parts, fast service and exact fit...3 of my favorite things when lookingSee More
Kent J.
VERIFIED PURCHASER

Popular Products

Helpful Automotive Resources

Muffler Replacement Cost Estimates, FAQs, and More
Muffler Replacement Cost Estimates, FAQs, and MoreThe muffler silences the engine exhaust. When the exhaust valve opens, a high-pressure gas is released, sending a strong air pressure wave through the atmosphere in the exhaust system.
Improve Your Exhaust Note With These Exhaust System Parts
Improve Your Exhaust Note With These Exhaust System PartsChoosing your header’s material is important because the header plays a big role in your vehicle’s exhaust note and the engine’s acoustics. Generally speaking, stainless steel exhaust parts create a clean and high-pitched metallic noise. One way to describe it is like how aluminum cans reverberate sound. Meanwhile, steel exhaust
Exhaust Coupling Alternatives (No Welding Needed)
Exhaust Coupling Alternatives (No Welding Needed)The engine exhaust initially contains oxides of nitrogen, hydrocarbons, and carbon monoxide. The front part of the catalytic converter nearest the manifold handles the oxides of nitrogen, but the second part is needed for hydrocarbons and carbon monoxide.
Is There a Strong Exhaust Smell Outside Your Car? Here’s Why
Is There a Strong Exhaust Smell Outside Your Car? Here’s WhyThere can be a number of reasons why there’s a strong exhaust smell coming from outside your car. Here are the most common ones. Damaged Catalytic Converter The catalytic converter has layers that convert sulfur into sulfur dioxide, which is an odorless gas. If it gets damaged, the vehicle can exude a
Why Is My Car So Loud?: 12 Causes of Loud Engine Noise
Why Is My Car So Loud?: 12 Causes of Loud Engine NoiseIf you hear a rattling noise from the catalytic converter, it could mean that it’s close to failure. The converter has a lot of small parts inside that could break off over time. When this happens, they might rattle around inside the converter while the engine is running.
Common Types of Mufflers
Common Types of MufflersAlso called the resonator chamber or simply resonator, the resonating chamber amplifies and tunes the exhaust sounds into something more attractive and pleasant to human ears. The muffler can have multiple resonators and lays them out at specific lengths. Combined with metal plates, the chambers bounce sound waves together, causing