{
    "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
}
1991 Ford F-250

1991 Ford F-250 Mufflers

Refine by:
See All

Shop Catalog

Showing 1 - 15 of 504 results
Display item:
15
30
45
Sort by:
Muffler -
Part Number: KV150108
Guaranteed to Fit
$89.49
Vehicle Fitment
  • 1991 Ford F-250 Custom 8 Cyl 5.0L
  • 1991 Ford F-250 Custom 8 Cyl 7.3L
  • 1991 Ford F-250 Custom 8 Cyl 7.5L
  • 1991 Ford F-250 XL 8 Cyl 5.8L
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.0L
  • 1991 Ford F-250 XLT Lariat 6 Cyl 4.9L
  • 1991 Ford F-250 XL 8 Cyl 5.0L
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.8L
  • 1991 Ford F-250 Custom 8 Cyl 5.8L
  • 1991 Ford F-250 XL 6 Cyl 4.9L
  • 1991 Ford F-250 XL 8 Cyl 7.3L
  • 1991 Ford F-250 XLT Lariat 8 Cyl 7.5L
  • 1991 Ford F-250 XLT Lariat 8 Cyl 7.3L
  • 1991 Ford F-250 XL 8 Cyl 7.5L
  • 1991 Ford F-250 Custom 6 Cyl 4.9L
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
Part Number: KV150103
Guaranteed to Fit
$70.99
Vehicle Fitment
  • 1991 Ford F-250 Custom 8 Cyl 5.0L
  • 1991 Ford F-250 Custom 8 Cyl 7.3L
  • 1991 Ford F-250 Custom 8 Cyl 7.5L
  • 1991 Ford F-250 XL 8 Cyl 5.8L
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.0L
  • 1991 Ford F-250 XLT Lariat 6 Cyl 4.9L
  • 1991 Ford F-250 XL 8 Cyl 5.0L
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.8L
  • 1991 Ford F-250 Custom 8 Cyl 5.8L
  • 1991 Ford F-250 XL 6 Cyl 4.9L
  • 1991 Ford F-250 XL 8 Cyl 7.3L
  • 1991 Ford F-250 XLT Lariat 8 Cyl 7.5L
  • 1991 Ford F-250 XLT Lariat 8 Cyl 7.3L
  • 1991 Ford F-250 XL 8 Cyl 7.5L
  • 1991 Ford F-250 Custom 6 Cyl 4.9L
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 -
Part Number: M6613288
Guaranteed to Fit
$145.00
Vehicle Fitment
  • 1991 Ford F-250 XL 8 Cyl 5.8L
  • 1991 Ford F-250 Custom 8 Cyl 5.8L
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.8L
Product Details
Notes : Single 3 in./dual 2.5 in. coreSeries : XL 3 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 : PerforatedInlet Location : CenterHeight : 4 in. HeightBody Length : 14 in. Body Length
Muffler, Natural, Under 8500 Gross Vehicle Weight
Part Number: D2217674
Guaranteed to Fit
$90.99
Vehicle Fitment
  • 1991 Ford F-250 XL 8 Cyl 5.8L Under 8500 Gross Vehicle Weight
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.8L Under 8500 Gross Vehicle Weight
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.0L Under 8500 Gross Vehicle Weight
  • 1991 Ford F-250 Custom 8 Cyl 5.0L Under 8500 Gross Vehicle Weight
  • 1991 Ford F-250 Custom 8 Cyl 5.8L Under 8500 Gross Vehicle Weight
  • 1991 Ford F-250 XL 6 Cyl 4.9L Under 8500 Gross Vehicle Weight
  • 1991 Ford F-250 XLT Lariat 6 Cyl 4.9L Under 8500 Gross Vehicle Weight
  • 1991 Ford F-250 Custom 6 Cyl 4.9L Under 8500 Gross Vehicle Weight
  • 1991 Ford F-250 XL 8 Cyl 5.0L Under 8500 Gross Vehicle Weight
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 -
Part Number: WK18245
Guaranteed to Fit
$46.49
Vehicle Fitment
  • 1991 Ford F-250 Custom 6 Cyl 4.9L 4WD, 133.0 in. Wheelbase
  • 1991 Ford F-250 XL 8 Cyl 5.0L RWD, 155.0 in. Wheelbase, With Converter
  • 1991 Ford F-250 Custom 8 Cyl 5.0L 4WD, 133.0 in. Wheelbase
  • 1991 Ford F-250 XL 6 Cyl 4.9L RWD, 133.0 in. Wheelbase, With Converter
  • 1991 Ford F-250 XLT Lariat 6 Cyl 4.9L RWD, 155.0 in. Wheelbase, With Converter
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.0L 4WD, 155.0 in. Wheelbase
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 -
Part Number: F13943046
Guaranteed to Fit
$102.55
Vehicle Fitment
  • 1991 Ford F-250 XL 8 Cyl 7.5L
  • 1991 Ford F-250 XLT Lariat 8 Cyl 7.5L
  • 1991 Ford F-250 Custom 8 Cyl 7.5L
Product Details
Notes : May Require Minor ModificationSeries : Super 44 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.

Sound Level : AggressiveProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Quantity : Single Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 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 : REPF961105
Muffler
Part Number: BO1005061
Guaranteed to Fit
$91.99
Vehicle Fitment
  • 1991 Ford F-250 Custom 6 Cyl 4.9L 4WD, 133.0 in. Wheelbase, To 8,500 lbs. Gross Vehicle Weight
  • 1991 Ford F-250 XL 8 Cyl 5.0L
  • 1991 Ford F-250 Custom 8 Cyl 5.0L
  • 1991 Ford F-250 XL 6 Cyl 4.9L 4WD, 133.0 in. Wheelbase, To 8,500 lbs. Gross Vehicle Weight
  • 1991 Ford F-250 XLT Lariat 6 Cyl 4.9L 4WD, 155.0 in. Wheelbase
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.0L
Product Details
Notes : Metal FinishQuantity Sold : Sold individuallyWarranty : Lifetime 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.

Material : Aluminized SteelRecommended Use : OE Replacement
Muffler -
Part Number: WK18156
Guaranteed to Fit
$49.99
Vehicle Fitment
  • 1991 Ford F-250 Custom 6 Cyl 4.9L 4WD, 133.0 in. Wheelbase
  • 1991 Ford F-250 XL 8 Cyl 5.0L RWD, 155.0 in. Wheelbase, With Converter
  • 1991 Ford F-250 Custom 8 Cyl 5.0L 4WD, 133.0 in. Wheelbase
  • 1991 Ford F-250 XL 6 Cyl 4.9L RWD, 133.0 in. Wheelbase, With Converter
  • 1991 Ford F-250 XLT Lariat 6 Cyl 4.9L RWD, 155.0 in. Wheelbase, With Converter
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.0L 4WD, 155.0 in. Wheelbase
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
Part Number: F13430402
Guaranteed to Fit
$89.95
Vehicle Fitment
  • 1991 Ford F-250 XLT Lariat 8 Cyl 7.5L
  • 1991 Ford F-250 XL 8 Cyl 7.5L
  • 1991 Ford F-250 Custom 8 Cyl 7.5L
Product Details
Series : 40 Series Original 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)Interchange Part Number : REPF961108Internal Construction : ChamberedInlet Location : CenterHeight : 4 in. HeightBody Length : 13 in. Body LengthWidth : 9.75 in. Width
Muffler -
Part Number: WK18209
Guaranteed to Fit
$70.49
Vehicle Fitment
  • 1991 Ford F-250 XL 8 Cyl 7.3L RWD, 155.0 in. Wheelbase, Over 8500 G.V.W.R.
  • 1991 Ford F-250 XLT Lariat 8 Cyl 7.3L 4WD, 155.0 in. Wheelbase, Over 8500 G.V.W.R.
  • 1991 Ford F-250 Custom 8 Cyl 7.3L RWD, 155.0 in. Wheelbase, Over 8500 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 -
Part Number: WK18239
Guaranteed to Fit
$56.99
Vehicle Fitment
  • 1991 Ford F-250 XL 8 Cyl 5.8L 133.0 in. Wheelbase, Requires PN[35168] Bracket, Dual Outlet
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.8L 155.0 in. Wheelbase, Requires PN[35168] Bracket, Dual Outlet
  • 1991 Ford F-250 Custom 8 Cyl 5.8L 155.0 in. Wheelbase, Requires PN[35168] Bracket, Dual Outlet
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, Dual Outlet, Requires Part # DN16 Bracket
Part Number: BO1005057
Guaranteed to Fit
$74.99
Vehicle Fitment
  • 1991 Ford F-250 XL 8 Cyl 5.8L Dual Outlet; Requires Part # [DN16] Bracket
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.8L Dual Outlet; Requires Part # [DN16] Bracket
  • 1991 Ford F-250 Custom 8 Cyl 5.8L Dual Outlet; Requires Part # [DN16] Bracket
Product Details
Location : Driver Or Passenger SideNotes : (1) Inlet Quantity; (1) Outlet QuantityQuantity 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 : 29.5 in.Recommended Use : OE Replacement
Muffler -
Part Number: WK21475
Guaranteed to Fit
$79.99
Vehicle Fitment
  • 1991 Ford F-250 XL 8 Cyl 7.3L RWD, 155.0 in. Wheelbase, Over 8500 G.V.W.R.
  • 1991 Ford F-250 XLT Lariat 8 Cyl 7.3L 4WD, 155.0 in. Wheelbase, Over 8500 G.V.W.R.
  • 1991 Ford F-250 Custom 8 Cyl 7.3L RWD, 133.0 in. Wheelbase, Over 8500 G.V.W.R.
Product Details
Series : Walker OE ReplacementQuantity 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 -
Part Number: WK22100
Guaranteed to Fit
$79.99
Vehicle Fitment
  • 1991 Ford F-250 XL 8 Cyl 7.3L 4WD, 133.0 in. Wheelbase, Truck, Over 8,500 GVWR
  • 1991 Ford F-250 XLT Lariat 8 Cyl 7.3L RWD, 133.0 in. Wheelbase, Truck, Over 8,500 GVWR
  • 1991 Ford F-250 Custom 8 Cyl 7.3L 4WD, 133.0 in. Wheelbase, Truck, Over 8,500 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 -
Part Number: WK22460
Guaranteed to Fit
$101.49
Vehicle Fitment
  • 1991 Ford F-250 Custom 6 Cyl 4.9L RWD, 155.0 in. Wheelbase, Truck
  • 1991 Ford F-250 XL 8 Cyl 5.0L RWD, 155.0 in. Wheelbase, Truck
  • 1991 Ford F-250 Custom 8 Cyl 5.0L 4WD, 133.0 in. Wheelbase, Truck
  • 1991 Ford F-250 XL 6 Cyl 4.9L 4WD, 133.0 in. Wheelbase, Truck, Under 8,500 GVWR
  • 1991 Ford F-250 XLT Lariat 6 Cyl 4.9L RWD, 155.0 in. Wheelbase, Truck
  • 1991 Ford F-250 XLT Lariat 8 Cyl 5.0L 4WD, 133.0 in. Wheelbase, Truck
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
Page 1 of 34 | Showing 1 - 15 of 504 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