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1998 GMC K3500
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1998 GMC K3500

1998 GMC K3500 Mufflers

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Muffler -
Kool Vue
Muffler -
Part Number: KV150108
Guaranteed to Fit
$89.49
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLT 8 Cyl 7.4L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC K3500 Sierra SLT 8 Cyl 5.7L
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
  • 1998 GMC K3500 Sierra SLT 8 Cyl 7.4L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC K3500 Sierra SLT 8 Cyl 5.7L
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, Factory Finish, Center
Davico®
Muffler, Factory Finish, Center
Part Number: DAV590365
Guaranteed to Fit
$60.49
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLE 8 Cyl 7.4L Center
  • 1998 GMC K3500 Sierra SLT 8 Cyl 7.4L Center
  • 1998 GMC K3500 Sierra SL 8 Cyl 7.4L Center
  • 1998 GMC K3500 Sierra SL 8 Cyl 5.7L Center
  • 1998 GMC K3500 Sierra SLT 8 Cyl 5.7L Center
  • 1998 GMC K3500 Sierra SLE 8 Cyl 5.7L Center
Product Details
Location : RearColor 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
Muffler
Davico®
Muffler
Part Number: DAV498216
Guaranteed to Fit
$59.49
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L
Product Details
Location : CenterNotes : Slip Fit Inlet and Outlet TypeQuantity 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.

Overall Length : 29 in. overall lengthHeight : 7 in. HeightRecommended Use : OE ReplacementWidth : 9 in. Width
Muffler
Dynomax®
Muffler
Part Number: D2217233
Guaranteed to Fit
$166.99
Vehicle Fitment
  • 1998 GMC K3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC K3500 Sierra SLT 8 Cyl 5.7L
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
Flowmaster®
Muffler
Part Number: F13527504
Guaranteed to Fit
$251.05
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC K3500 Sierra SLT 8 Cyl 7.4L
  • 1998 GMC K3500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC K3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC K3500 Sierra SLT 8 Cyl 5.7L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 5.7L
Product Details
Series : 50 Series Big Block SeriesInlet Size : 2.75 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 : MildMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : DualOutlet Location : Center (Dual)Case Shape : OvalOverall Length : 28 in. overall lengthOutlet Quantity : Dual Outlet(s)Internal Construction : ChamberedInlet Location : Center (Dual)Height : 5 in. HeightBody Length : 22 in. Body Length
Muffler -
Flowmaster®
Muffler -
Part Number: F13953048
Guaranteed to Fit
$120.55
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L
Product Details
Notes : May Require Minor ModificationSeries : Super 40 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 : AggressiveMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 19.5 in. overall lengthOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 5 in. HeightBody Length : 13.5 in. Body LengthWidth : 10 in. Width
Muffler -
Flowmaster®
Muffler -
Part Number: F13853048
Guaranteed to Fit
$139.45
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L
Product Details
Series : 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 : OffsetCase Shape : OvalOverall Length : 19.5 in. overall lengthOutlet Quantity : Single Outlet(s)Interchange Part Number : KV150110Internal Construction : ChamberedInlet Location : OffsetHeight : 5 in. HeightBody Length : 13.5 in. Body LengthWidth : 10 in. Width
Muffler, Truck, Under 10,000 GVWR -
Walker®
Muffler, Truck, Under 10,000 GVWR -
Part Number: WK21046
Guaranteed to Fit
$91.49
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L Truck, Under 10,000 GVWR
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L Truck, Under 10,000 GVWR
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L Truck, Under 10,000 GVWR
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.

Material : Made of Aluminized SteelRecommended Use : OE Replacement
Muffler
Flowmaster®
Muffler
Part Number: F1353058
Guaranteed to Fit
$167.35
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L
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 : OffsetCase 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 -
Flowmaster®
Muffler -
Part Number: F1313016100
Guaranteed to Fit
$233.05
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L
Product Details
Series : Pro 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 : ModerateMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : CenterCase Shape : RoundOverall Length : 17 in. overall lengthOutlet Quantity : Single Outlet(s)Interchange Part Number : KV150109, 842446Internal Construction : ChamberedInlet Location : CenterHeight : 6 in. HeightBody Length : 16 in. Body LengthWidth : 6 in. Width
Muffler, Under 15,000 G.V.W.R., Dual Inlet 155.5 In. Wheelbase -
Walker®
Muffler, Under 15,000 G.V.W.R., Dual Inlet 155.5 In. Wheelbase -
Part Number: WK18906
Guaranteed to Fit
$66.49
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLE 8 Cyl 7.4L 155.5 in. Wheelbase, Under 15,000 G.V.W.R.
  • 1998 GMC K3500 Sierra SLT 8 Cyl 7.4L 131.5 in. Wheelbase, Under 15,000 G.V.W.R., Dual Inlet
  • 1998 GMC K3500 Sierra SL 8 Cyl 7.4L 155.5 in. Wheelbase, Under 15,000 G.V.W.R.
  • 1998 GMC K3500 Sierra SL 8 Cyl 5.7L 155.5 in. Wheelbase, Under 15,000 G.V.W.R.
  • 1998 GMC K3500 Sierra SLT 8 Cyl 5.7L 155.5 in. Wheelbase, Under 15,000 G.V.W.R.
  • 1998 GMC K3500 Sierra SLE 8 Cyl 5.7L 155.5 in. Wheelbase, Under 15,000 G.V.W.R.
Product Details
Series : SoundFX 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, To 10, 000lbs. Gross Vehicle Weight
BRExhaust®
Muffler, To 10, 000lbs. Gross Vehicle Weight
Part Number: BO1011179
Guaranteed to Fit
$48.99
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L To 10, 000lbs. Gross Vehicle Weight
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L To 10, 000lbs. Gross Vehicle Weight
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L To 10, 000lbs. Gross Vehicle Weight
Product Details
Location : Driver or Passenger SideNotes : (1) Inlet Quantity; (1) Outlet Quantity; 9 in. Body Width; Aluminized Steel Pipe MaterialQuantity 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 : 29 in.Recommended Use : OE Replacement
Muffler, Under 10,000 G.V.W.R -
Walker®
Muffler, Under 10,000 G.V.W.R -
Part Number: WK18216
Guaranteed to Fit
$53.49
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L Under 10,000 G.V.W.R.
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L Under 10,000 G.V.W.R.
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L Under 10,000 G.V.W.R.
Product Details
Series : SoundFX 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, Under 10,000 G.V.W.R -
Walker®
Muffler, Under 10,000 G.V.W.R -
Part Number: WK18138
Guaranteed to Fit
$55.99
Vehicle Fitment
  • 1998 GMC K3500 Sierra SLT 8 Cyl 6.5L Under 10,000 G.V.W.R.
  • 1998 GMC K3500 Sierra SL 8 Cyl 6.5L Under 10,000 G.V.W.R.
  • 1998 GMC K3500 Sierra SLE 8 Cyl 6.5L Under 10,000 G.V.W.R.
Product Details
Series : Tru Fit 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 : 29 in. overall lengthMaterial : Made of Aluminized SteelRecommended Use : OE Replacement
Page 1 of 33 | Showing 1 - 15 of 482 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

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Product Questions & Answers

Walker Muffler, Under 10,000 G.V.W.R -
$53.49
Q:Is this bolt on direct fitment?
Twrex
A:BEST ANSWERHi Travis, Yes, this is a direct clamp-on fit.
Arnel E.
 
1 Question, 1 AnswerView all Q&As >
BRExhaust Muffler, To 10, 000lbs. Gross Vehicle Weight
$48.99
Q:whi BRExhaust Muffler 101-1179 which end is the inlet or does it not matter there are no markings or words to indicate inlet or outlet? Show Less
Chris s.
A:BEST ANSWERHi Chris, I'm glad to assist you. Yes. The inlet or outlet can go either way. If your truck appears in the vehicle fitment information below, it is a guaranteed fit part. Grab our price-cut offer and click the link below to buy it today. Happy shopping! https://www.carparts.com/muffler/brexhaust/bo1011179?can=cpje1043_CSQA_20240112 Show less
Jeonino E.
 
3 Questions, 1 AnswerView all Q&As >
Walker Muffler, Under 10,000 G.V.W.R -
$55.99
Q:will this replace my stock one but still keep my pick up running quiet not loud muffler noise? Show Less
luis m.
A:BEST ANSWERHi Luis, thank you for reaching out. Yes. The specifications and features of this product are similar to the original muffler. If your vehicle information matches this product, you can use this link to order this part at a discounted price today while supplies last: https://www.carparts.com/muffler/walker/wk18138?can=CPAP3648_CSQA_20231217 I hope this helps. Enjoy shopping. Show less
Aldrin P.
 
4 Questions, 1 AnswerView all Q&As >

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