{
    "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
}
2003 Toyota 4Runner

2003 Toyota 4Runner Mufflers

Refine by:
See All

Shop Catalog

Showing 1 - 15 of 482 results
Display item:
15
30
45
Sort by:
Muffler, Aluminized, Central, Center
Part Number: RT96110003
Guaranteed to Fit
$131.49
Vehicle Fitment
  • 2003 Toyota 4Runner Sport 6 Cyl 4.0L Central, Center
  • 2003 Toyota 4Runner Limited 6 Cyl 4.0L Central, Center
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L Central, Center
  • 2003 Toyota 4Runner SR5 6 Cyl 4.0L Central, Center
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L Central, Center
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L Central, Center
Product Details
Location : RearColor Finish : AluminizedReplaces OE Number : 1742050220Quantity Sold : Sold individuallyWarranty : 1-year Evan Fischer unlimited-mileage 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.

Interchange Part Number : 283747, 1742050220Material : Stainless SteelRecommended Use : OE ReplacementReturns Policy : 30-Day Return Policy
Muffler
Part Number: EL96110001
Guaranteed to Fit
$121.99
Vehicle Fitment
  • 2003 Toyota 4Runner Sport 6 Cyl 4.0L
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L
  • 2003 Toyota 4Runner SR5 6 Cyl 4.0L
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L
  • 2003 Toyota 4Runner Limited 6 Cyl 4.0L
Product Details
Location : RearColor Finish : AluminizedReplaces OE Number : 1742050220Quantity Sold : Sold individuallyWarranty : 1-year Evan Fischer unlimited-mileage 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.

Interchange Part Number : 283747, 1742050220Material : Stainless SteelRecommended Use : OE ReplacementReturns Policy : 30-Day Return Policy
Muffler, Center
Part Number: DAV697496
Guaranteed to Fit
$141.49
Vehicle Fitment
  • 2003 Toyota 4Runner Sport 6 Cyl 4.0L Center
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L Center
  • 2003 Toyota 4Runner SR5 6 Cyl 4.0L Center
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L Center
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L Center
  • 2003 Toyota 4Runner Limited 6 Cyl 4.0L Center
Product Details
Location : RearNotes : 2 Bolt Fixed Flange 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 : 57 in. overall lengthHeight : 9 in. HeightRecommended Use : OE ReplacementWidth : 13.5 in. Width
Muffler
Part Number: F1352557
Guaranteed to Fit
$167.35
Vehicle Fitment
  • 2003 Toyota 4Runner All Submodels All Engines
Product Details
Series : Super 50 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 : 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 : ChamberedInlet Location : CenterHeight : 5 in. HeightBody Length : 17 in. Body LengthWidth : 10 in. Width
Muffler
Part Number: ANSATY3847
Guaranteed to Fit
$73.99
Vehicle Fitment
  • 2003 Toyota 4Runner Sport 6 Cyl 4.0L
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L
  • 2003 Toyota 4Runner SR5 6 Cyl 4.0L
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L
  • 2003 Toyota 4Runner Limited 6 Cyl 4.0L
Product Details
Location : RearQuantity Sold : Sold individuallyWarranty : 1-year Ansa 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.

Recommended Use : Performance Replacement
Muffler, Central, Center
Part Number: BO283747
Guaranteed to Fit
$211.49
Vehicle Fitment
  • 2003 Toyota 4Runner Sport 6 Cyl 4.0L Central, Center
  • 2003 Toyota 4Runner Limited 6 Cyl 4.0L Central, Center
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L Central, Center
  • 2003 Toyota 4Runner SR5 6 Cyl 4.0L Central, Center
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L Central, Center
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L Central, Center
Product Details
Location : RearQuantity 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.

Interchange Part Number : RT96110003Material : Aluminized SteelProduct Fit : Direct Fit
Muffler
Part Number: ANSATY38107
Guaranteed to Fit
$58.99
Vehicle Fitment
  • 2003 Toyota 4Runner Sport 6 Cyl 4.0L
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L
  • 2003 Toyota 4Runner SR5 6 Cyl 4.0L
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L
  • 2003 Toyota 4Runner Limited 6 Cyl 4.0L
Product Details
Location : RearQuantity Sold : Sold individuallyWarranty : 1-year Ansa 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.

Recommended Use : Performance Replacement
Muffler, Natural, Welded Assembly
Part Number: APE7496
Guaranteed to Fit
$160.99
Vehicle Fitment
  • 2003 Toyota 4Runner Sport 6 Cyl 4.0L Welded Assembly
  • 2003 Toyota 4Runner Limited 6 Cyl 4.0L Welded Assembly
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L Welded Assembly
  • 2003 Toyota 4Runner SR5 6 Cyl 4.0L Welded Assembly
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L Welded Assembly
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L Welded Assembly
Product Details
Color Finish : NaturalQuantity Sold : Sold individuallyWarranty : Lifetime 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.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
Muffler, Center
Part Number: ANSATY38105
Guaranteed to Fit
$151.49
Vehicle Fitment
  • 2003 Toyota 4Runner Sport 6 Cyl 4.0L Center
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L Center
  • 2003 Toyota 4Runner SR5 6 Cyl 4.0L Center
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L Center
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L Center
  • 2003 Toyota 4Runner Limited 6 Cyl 4.0L Center
Product Details
Quantity Sold : Sold individuallyWarranty : 1-year Ansa 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.

Recommended Use : Performance Replacement
Muffler, Center
Part Number: ANSATY3815
Guaranteed to Fit
$174.99
Vehicle Fitment
  • 2003 Toyota 4Runner Sport 6 Cyl 4.0L Center
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L Center
  • 2003 Toyota 4Runner SR5 6 Cyl 4.0L Center
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L Center
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L Center
  • 2003 Toyota 4Runner Limited 6 Cyl 4.0L Center
Product Details
Quantity Sold : Sold individuallyWarranty : 1-year Ansa 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.

Recommended Use : Performance Replacement
Muffler
Part Number: BO228143
Guaranteed to Fit
$98.49
Vehicle Fitment
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L
Product Details
Location : RearQuantity 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 : Made of Aluminized SteelRecommended Use : OE Replacement
Muffler -
Part Number: WK56177
Guaranteed to Fit
$150.99
Vehicle Fitment
  • 2003 Toyota 4Runner Sport 6 Cyl 4.0L
  • 2003 Toyota 4Runner Limited 6 Cyl 4.0L
  • 2003 Toyota 4Runner SR5 8 Cyl 4.7L
  • 2003 Toyota 4Runner SR5 6 Cyl 4.0L
  • 2003 Toyota 4Runner Limited 8 Cyl 4.7L
  • 2003 Toyota 4Runner Sport 8 Cyl 4.7L
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.

Interchange Part Number : RT96110003Material : Made of Aluminized SteelRecommended Use : OE Replacement
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
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
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
Page 1 of 33 | Showing 1 - 15 of 482 results

Top Rated Products

It was the perfect fit for my 2004 Toyota 4 runner, in the front you will need a donuSee More
David C.
VERIFIED PURCHASER
Flowmaster Muffler
$167.35( Review)
sounds freaking great Couldn’t be more happy Was shipped right away
Louis S.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

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 >

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