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2004 Subaru Outback

Mufflers

Avoid the headache caused by a faulty muffler. Get your vehicle back on the road in no time by shopping for an exhaust muffler here at CarParts.com. Choose from our selection of high-quality replacement and performance mufflers. We have weld-on, clamp-on, and bolt-on mufflers. Our products are built tough by the best manufacturers. Don’t wait until your engine misfires. Take advantage of our unbeatable prices and check out our products today!
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Muffler
Part Number: ES96110001
Guaranteed to Fit
$67.18
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L
  • 2004 Subaru Outback Base 4 Cyl 2.5L
Product Details
Location : RearColor Finish : StainlessReplaces OE Number : 44300AE13AQuantity Sold : Sold individuallyWarranty : 1-year Evan Fischer unlimited-mileage warrantyDeals : OverstockProp 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 : 279007, 54601, 44300AE13ARecommended Use : OE ReplacementReturns Policy : 30-Day Return Policy
Muffler, Wagon
Part Number: DAV499861
Guaranteed to Fit
$96.49
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L Wagon
  • 2004 Subaru Outback Base 4 Cyl 2.5L Wagon
Product Details
Location : RearQuantity 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
Part Number: ANSASU7347
Guaranteed to Fit
$86.99
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L
  • 2004 Subaru Outback Base 4 Cyl 2.5L
Product Details
Location : RearColor Finish : NaturalQuantity Sold : Sold individuallyWarranty : Ansa 1-Year 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, Sedan/Sedan, Two Converter Bodies -
Part Number: WK54600
Guaranteed to Fit
$127.99
Vehicle Fitment
  • 2004 Subaru Outback Base 4 Cyl 2.5L
  • 2004 Subaru Outback Limited 4 Cyl 2.5L Sedan, Two Converter Bodies
  • 2004 Subaru Outback H6 VDC 6 Cyl 3.0L Sedan
  • 2004 Subaru Outback H6 6 Cyl 3.0L Sedan
Product Details
Quantity 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.

Series : Quiet-Flow3 SeriesInterchange Part Number : REPS961114Material : Made of Aluminized SteelRecommended Use : OE Replacement
Muffler, Wagon, Two Converter Bodies -
Part Number: WK54601
Guaranteed to Fit
$114.49
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L Wagon, Two Converter Bodies
  • 2004 Subaru Outback H6 VDC 6 Cyl 3.0L Wagon
  • 2004 Subaru Outback H6 35th Anniversary Edition 6 Cyl 3.0L Wagon
  • 2004 Subaru Outback L.L. Bean 6 Cyl 3.0L Wagon
  • 2004 Subaru Outback H6 6 Cyl 3.0L Wagon
  • 2004 Subaru Outback Base 4 Cyl 2.5L Wagon, Two Converter Bodies
Product Details
Quantity 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.

Series : Quiet-Flow SS SeriesMaterial : Made of Stainless SteelRecommended Use : OE Replacement
Muffler
Part Number: ANSASU7357
Guaranteed to Fit
$85.99
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L
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, Enginedesignationname: EJ253, Wagon, Welded Assembly -
Part Number: APE7437
Guaranteed to Fit
$84.99
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L enginedesignationname: EJ253; Wagon; 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
Part Number: ANSASU7505
Guaranteed to Fit
$102.49
Vehicle Fitment
  • 2004 Subaru Outback L.L. Bean 6 Cyl 3.0L
  • 2004 Subaru Outback H6 6 Cyl 3.0L
  • 2004 Subaru Outback H6 VDC 6 Cyl 3.0L
  • 2004 Subaru Outback H6 35th Anniversary Edition 6 Cyl 3.0L
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: WK54319
Guaranteed to Fit
$154.99
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L
  • 2004 Subaru Outback Base 4 Cyl 2.5L
Product Details
Quantity 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.

Series : Quiet-Flow3 SeriesMaterial : Made of Aluminized SteelRecommended Use : OE Replacement
Muffler
Part Number: ANSASU7217
Guaranteed to Fit
$126.99
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L
  • 2004 Subaru Outback Base 4 Cyl 2.5L
Product Details
Location : RearColor Finish : NaturalQuantity Sold : Sold individuallyWarranty : Ansa 1-Year 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-On or Clamp-OnMaterial : Made of Aluminized SteelRecommended Use : Performance Replacement
Muffler, Wagon, OE Design
Part Number: ANSASU7507
Guaranteed to Fit
$127.99
Vehicle Fitment
  • 2004 Subaru Outback L.L. Bean 6 Cyl 3.0L Wagon, OE Design
  • 2004 Subaru Outback H6 6 Cyl 3.0L Wagon, OE Design
  • 2004 Subaru Outback H6 VDC 6 Cyl 3.0L Wagon, OE Design
  • 2004 Subaru Outback H6 35th Anniversary Edition 6 Cyl 3.0L Wagon, OE Design
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, OE Design Center
Part Number: ANSASU7205
Guaranteed to Fit
$137.99
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L OE Design Center
  • 2004 Subaru Outback Base 4 Cyl 2.5L OE Design Center
Product Details
Color Finish : NaturalQuantity Sold : Sold individuallyWarranty : Ansa 1-Year 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-On or Clamp-OnMaterial : Made of Aluminized SteelRecommended Use : Performance Replacement
Muffler, Wagon, All Wheel Drive
Part Number: BO279047
Guaranteed to Fit
$188.49
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L Wagon; AWD
  • 2004 Subaru Outback Base 4 Cyl 2.5L Wagon; AWD
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.

Interchange Part Number : REPS961114Material : Made of Aluminized SteelRecommended Use : OE Replacement
Rear Muffler, Aluminized, Direct Fit
Part Number: BO1080086
Guaranteed to Fit
$257.99
Vehicle Fitment
  • 2004 Subaru Outback Limited 4 Cyl 2.5L Wagon; With Dual Catalytic Converters
  • 2004 Subaru Outback H6 VDC 6 Cyl 3.0L Wagon
  • 2004 Subaru Outback H6 35th Anniversary Edition 6 Cyl 3.0L Wagon
  • 2004 Subaru Outback L.L. Bean 6 Cyl 3.0L Wagon
  • 2004 Subaru Outback H6 6 Cyl 3.0L Wagon
  • 2004 Subaru Outback Base 4 Cyl 2.5L Wagon; With Dual Catalytic Converters
Product Details
Location : RearColor Finish : AluminizedQuantity 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.

Recommended Use : OE ReplacementProduct Fit : Direct FitEmissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)
Afterburner Series Muffler, Natural, Universal
Part Number: F3150370
Universal Fit
$130.95
Product Details
Inlet 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 : OffsetSeries : Afterburner SeriesCase 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
Page 1 of 32 | Showing 1 - 15 of 476 results

Top Rated Products

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Jose G.
VERIFIED PURCHASER
Muffler, Polished
$89.49( Review)
Good quality parts, fast service and exact fit...3 of my favorite things when lookingSee More
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VERIFIED PURCHASER
Fit perfect in my car
Nathanael C.
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Shopping for Muffler

Muffler Shopping Info

How Much Does a Muffler Replacement Cost?

A replacement muffler can cost you anywhere between $50 and $250 on parts alone. An auto repair shop may charge you $80 to $100 for labor, but this may vary depending on your specific vehicle and the rates in your area.

What Is a Muffler?

A muffler is a flask-shaped metal device installed along the exhaust pipe underneath your car. It comes in different designs and sizes but the function remains all the same. It reduces the airborne noise coming from your car’s engine. It suppresses and controls the engine noise by breaking the soundwaves down inside the assembly.

Aside from muffling and improving your vehicle’s performance, mufflers also keep toxic fumes away from the cabin. Some modern mufflers are also known to improve a vehicle’s performance.

Mufflers are highly regulated in different states and modifications are often strictly prohibited. Remember to check your state’s regulations before purchasing an aftermarket muffler.

Shop for Aftermarket Mufflers on CarParts.com

Here at CarParts.com, we have a selection of aftermarket mufflers for various makes and models. Choose from weld-on, clamp-on, or bolt-on mufflers in various finishes for your ride. We source our products from only the most trusted brands in the industry, so you're sure to get one that's built to last.

Our mufflers are also competitively priced, allowing you to get back on the road safely without going over budget. Need to repair your ride right away? Don't worry, our distribution centers are strategically located around the country for fast, efficient shipping. Get your order in as fast as two business days! Our friendly customer service team is also available round the clock to answer any concerns or questions you might have about the product you’re looking to buy.

Ready to shop? Enter your ride’s year, make, and model into our website's vehicle selector to start shopping. You may also use our search filters to narrow down your options by brand, price range, or quantity. Why pay dealership prices when you can get the same quality for less? Check out our products now and get the best deals on aftermarket mufflers today!

Helpful Automotive Resources

Improve Your Exhaust Note With These Exhaust System Parts
Improve Your Exhaust Note With These Exhaust System PartsHeaders are the metal tubes that lead exhaust gases out of each engine cylinder. Headers also play a key role in the engine’s sound, since this is the first exhaust system part that facilitates exhaust gases. Wider header tubes can create a deep and throaty exhaust note, while narrower tubes
Common Types of Mufflers
Common Types of MufflersThe chambered muffler is the most prevalent type. It gets its name from the chambers inside the muffler: the central chamber and resonating chamber.
The Most Common Types of Car Damage from Speed Bumps and How to Prevent Them
The Most Common Types of Car Damage from Speed Bumps and How to Prevent ThemFailing to drive over speed bumps slowly and safely means you run the risk of damaging critical components of your vehicle. This includes the shock absorbers, the steering system, the exhaust, and the tires. While failing to slow down when approaching a speed bump may appear harmless, it can cause damage