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1990 GMC K1500
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1990 GMC K1500

1990 GMC K1500 Mufflers

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Muffler
Kool Vue
Muffler
Part Number: KV150108
Guaranteed to Fit
$89.49
Vehicle Fitment
  • 1990 GMC K1500 Sierra 8 Cyl 6.2L
  • 1990 GMC K1500 Sierra SLE 8 Cyl 6.2L
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra SLE 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 6.2L
  • 1990 GMC K1500 Sierra 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLX 6 Cyl 4.3L
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
  • 1990 GMC K1500 Sierra 8 Cyl 6.2L
  • 1990 GMC K1500 Sierra SLE 8 Cyl 6.2L
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra SLE 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 6.2L
  • 1990 GMC K1500 Sierra 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLX 6 Cyl 4.3L
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, with 2 1/2 Muffler Inlet"
Davico®
Muffler, with 2 1/2 Muffler Inlet"
Part Number: DAV810505
Guaranteed to Fit
$59.99
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L With 2 1/2" Muffler Inlet
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L With 2 1/2" Muffler Inlet
  • 1990 GMC K1500 Sierra 8 Cyl 6.2L With 2 1/2" Muffler Inlet
  • 1990 GMC K1500 Sierra SLX 8 Cyl 6.2L With 2 1/2" Muffler Inlet
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L With 2 1/2" Muffler Inlet
  • 1990 GMC K1500 Sierra SLE 8 Cyl 6.2L With 2 1/2" Muffler Inlet
Product Details
Quantity 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 Replacement
Muffler
Davico®
Muffler
Part Number: DAV810452
Guaranteed to Fit
$52.49
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLX 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra SLE 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra 8 Cyl 5.0L
Product Details
Quantity 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 Replacement
Muffler
Magnaflow®
Muffler
Part Number: M6612198
Guaranteed to Fit
$145.00
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L
Product Details
Notes : 3 in. core; 4 in. center to center spacing on outlets; Reversible for custom installationSeries : Performance SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : NaturalQuantity Sold : Sold individuallyWarranty : 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.

Attachment Style : Weld-OnSound Level : ModerateMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : Direct FitInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 20 in. overall lengthOutlet Quantity : Dual Outlet(s)Internal Construction : Straight-ThroughInlet Location : CenterHeight : 5 in. HeightBody Length : 14 in. Body Length
Muffler
Magnaflow®
Muffler
Part Number: M6613266
Guaranteed to Fit
$142.00
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLX 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra SLE 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra 8 Cyl 5.0L
Product Details
Notes : Dual 2.5 in. coreSeries : XL 3 SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : NaturalQuantity Sold : Sold individuallyWarranty : 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.

Attachment Style : Weld-OnSound Level : ModerateMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : Direct FitInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 24 in. overall lengthOutlet Quantity : Single Outlet(s)Internal Construction : PerforatedInlet Location : OffsetHeight : 4 in. HeightBody Length : 18 in. Body Length
Muffler
Magnaflow®
Muffler
Part Number: M6614221
Guaranteed to Fit
$195.00
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L
Product Details
Series : Performance SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : PolishedQuantity Sold : Sold individuallyWarranty : 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.

Sound Level : MildMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : Direct FitInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 20 in. overall lengthOutlet Quantity : Dual Outlet(s)Inlet Location : CenterHeight : 5 in. Height
Muffler -
Dynomax®
Muffler -
Part Number: D2217674
Guaranteed to Fit
$90.99
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L
Product Details
Series : Super Turbo 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-OnSound Level : ModerateMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 17 in. overall lengthOutlet Quantity : Dual Outlet(s)Internal Construction : TurboInlet Location : CenterHeight : 4.25 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Muffler
Walker®
Muffler
Part Number: WK18133
Guaranteed to Fit
$61.99
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLX 8 Cyl 6.2L 141.5 in. Wheelbase, With 3 in. Inlet, Requires PN[35567] Shield (2) PN[35564] Straps
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L 117.5 in. Wheelbase, With 3 in. Muffler Inlet, Except Welded Converter Models, Requires PN[35567] Shield (2) PN[35564] Straps
  • 1990 GMC K1500 Sierra 8 Cyl 6.2L 141.5 in. Wheelbase, With 3 in. Inlet, Requires PN[35567] Shield (2) PN[35564] Straps
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L 141.5 in. Wheelbase, Except Welded Converter Models, With 3 in. Muffler Inlet, Requires PN[35567] Shield (2) PN[35564] Straps
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L 131.5 in. Wheelbase, Except Welded Converter Models, With 2 1/2-3 in. Muffler Inlet, Requires PN[35567] Shield (2) PN[35564] Straps
  • 1990 GMC K1500 Sierra SLE 8 Cyl 6.2L 141.5 in. Wheelbase, With 3 in. Inlet, Requires PN[35567] Shield (2) PN[35564] Straps
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.

Material : Made of Aluminized SteelRecommended Use : OE Replacement
Muffler
Walker®
Muffler
Part Number: WK18202
Guaranteed to Fit
$60.49
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLX 8 Cyl 6.2L 141.5 in. Wheelbase, With 3 in. Inlet
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L 117.5 in. Wheelbase, With 3 in. Muffler Inlet, Except Welded Converter Models
  • 1990 GMC K1500 Sierra 8 Cyl 6.2L 141.5 in. Wheelbase, With 3 in. Inlet
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L 155.5 in. Wheelbase, With 3 in. Muffler Inlet, Except Welded Converter Models
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L 141.5 in. Wheelbase, Except Welded Converter Models, With 3 in. Muffler Inlet
  • 1990 GMC K1500 Sierra SLE 8 Cyl 6.2L 131.5 in. Wheelbase, With 3 in. Inlet
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
Flowmaster®
Muffler
Part Number: F13942543
Guaranteed to Fit
$133.95
Vehicle Fitment
  • 1990 GMC K1500 Sierra 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLE 6 Cyl 4.3L
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.0L
  • 1990 GMC K1500 Sierra SLX 6 Cyl 4.3L
Product Details
Notes : Includes - Resonator, extension pipe, and clampsSeries : 40 Series Delta Flow 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.

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 in. Overall LengthOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Muffler
Walker®
Muffler
Part Number: WK17855
Guaranteed to Fit
$53.49
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.0L 141.5 in. Wheelbase
  • 1990 GMC K1500 Sierra SLX 6 Cyl 4.3L 141.5 in. Wheelbase
  • 1990 GMC K1500 Sierra 6 Cyl 4.3L 117.5 in. Wheelbase, Except Welded Converter Models
  • 1990 GMC K1500 Sierra 8 Cyl 5.0L 117.5 in. Wheelbase, Except Welded Converter Models
  • 1990 GMC K1500 Sierra SLE 6 Cyl 4.3L 117.5 in. Wheelbase, Except Welded Converter Models
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.0L 117.5 in. Wheelbase, Except Welded Converter Models
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.

Overall Length : 26 in. overall lengthMaterial : Made of Aluminized SteelRecommended Use : OE ReplacementProduct Fit : May Require Minor Modification
Muffler
Walker®
Muffler
Part Number: WK17849
Guaranteed to Fit
$55.49
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L 141.5 in. Wheelbase, With 2 1/2 Inlet
  • 1990 GMC K1500 Sierra 8 Cyl 6.2L 131.5 in. Wheelbase, With 2 1/2 Inlet
  • 1990 GMC K1500 Sierra SLE 8 Cyl 6.2L 141.5 in. Wheelbase, With 2 1/2 Inlet
  • 1990 GMC K1500 Sierra SLX 8 Cyl 6.2L 131.5 in. Wheelbase, With 2 1/2 Inlet
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L 155.5 in. Wheelbase, With 2 1/2 Inlet
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L 155.5 in. Wheelbase, With 2 1/2 Inlet
Product Details
Notes : Modifications and/or additional parts requiredSeries : 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.

Overall Length : 25.5 in. overall lengthMaterial : Made of Aluminized SteelRecommended Use : OE ReplacementProduct Fit : May Require Minor Modification
Muffler, with 2 1/2 Inlet 131.5 In. Wheelbase
Walker®
Muffler, with 2 1/2 Inlet 131.5 In. Wheelbase
Part Number: WK18344
Guaranteed to Fit
$69.99
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLX 8 Cyl 6.2L 131.5 in. Wheelbase, With 2 1/2 Inlet
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L 131.5 in. Wheelbase, With 2 1/2 Inlet
  • 1990 GMC K1500 Sierra 8 Cyl 6.2L 131.5 in. Wheelbase, With 2 1/2 Inlet
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L 155.5 in. Wheelbase, With 2 1/2 Inlet
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L 131.5 in. Wheelbase, With 2 1/2 Inlet
  • 1990 GMC K1500 Sierra SLE 8 Cyl 6.2L 131.5 in. Wheelbase, With 2 1/2 Inlet
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
Flowmaster®
Muffler
Part Number: F139530452
Guaranteed to Fit
$154.95
Vehicle Fitment
  • 1990 GMC K1500 Sierra SLX 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra SLE 8 Cyl 5.7L
  • 1990 GMC K1500 Sierra 8 Cyl 5.7L
Product Details
Series : Super 40 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 : 19.5 in. overall lengthOutlet Quantity : Dual Outlet(s)Internal Construction : ChamberedInlet Location : CenterHeight : 5 in. HeightBody Length : 13.5 in. Body LengthWidth : 10 in. Width
Page 1 of 35 | Showing 1 - 15 of 524 results

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Kool Vue Muffler
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