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Walker

Walker Quiet-Flow SS 21904 Direct Fit Exhaust Muffler 2.75" Outlet (OD) for Subaru Forester

    • Based on 39 reviews
Condition: New
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$138.99 Why this price?

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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, Dec 25
Order within 18 hours and 57 minutes
Available payment plans shown during checkout

Features

  • COMPATIBILITY Fits 2014-2014 Subaru Forester; 2015-2015 Subaru Forester; 2016-2016 Subaru Forester; 2017-2017 Subaru Forester; 2018-2018 Subaru Forester
  • STAINLESS STEEL INHIBITS CORROSION -- The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding
  • BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on
  • BUY WITH CONFIDENCE -- Comes with Walker's limited lifetime warranty and exclusive 90-Day Safe and Sound Guarantee. Visitfor details.

Description

The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.

Brand: Walker


Material: Stainless Steel


Item dimensions L x W x H: 28 x 8 x 22 inches


Vehicle Service Type: Car


Inlet Connection Size: 3 Inches


Brand: ‎Walker


Material: ‎Stainless Steel


Item dimensions L x W x H: ‎28 x 8 x 22 inches


Vehicle Service Type: ‎Car


Inlet Connection Size: ‎3 Inches


UPC: ‎086387219044


Manufacturer: ‎Tenneco (Dynomax, Walker, Thrush)


Global Trade Identification Number: ‎44


Model: ‎Walker


Item Weight: ‎11.92 pounds


Product Dimensions: ‎28 x 8 x 22 inches


Country of Origin: ‎USA


Item model number: ‎21904


Exterior: ‎Machined


Manufacturer Part Number: ‎21904


Date First Available: October 1, 2017


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Dec 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Perfect fit
The hardest part was getting the old damaged muffler out. After that it was perfect. Less bulky than the original Subaru muffler so it was easier to install with the existing hanger assemblies. More room to work!
Reviewed in the United States on May 31, 2024 by Christopher George
    • Well worth the money!
This muffler was hundreds of dollars cheaper than going to a shop to have it replaced. Not knowing what to expect, I bought it and it was easy to install. It is almost as quiet as the factory muffler. It fit perfectly. No modifications were necessary, it bolted in place and the whole job took about a half hour. You don't need to be a mechanic to do this job. I'm very glad I bought this. Don't forget to buy the replacement gasket for the flange. ... show more
Reviewed in the United States on July 8, 2024 by Rich
    • This is NOT stainless steel
Review Image by Steve A. Steve A.
Bought this muffler new in 2020. 4 years later its falling apart. The quality of the stainless steel is about the worst ive ever seen. I question that its actually stainless steel at all. For anyone buying this i suggest putting on several coats of high temp paint before installing ,or just not buy it. ... show more
Reviewed in the United States on June 11, 2024 by Steve A. Steve A.
    • Perfect fit
Easy to install, quiet and comes with a chrome tip welded on. This is of good construction and is not a big and bulky as the original equipment muffler. Recommend spraying the bolts with some PB B'laster and let them sit for awhile before removing them. This was on an east coast vehicle where bolts can get rusted from road salt and the PB really helps. ... show more
Reviewed in the United States on February 10, 2024 by David N.
    • "Quiet Flow" not very quiet
2015 Forester installation. I was immediately concerned when I saw the size of the Walker muffler compared to the Subaru muffler – it was about 2/3 the size and was oval as compared to the Subaru that was triangular. The noise is not too bad at higher RPM’s but it's quite noisy at 1.5 to 2.2k rpm. After about 4 months I got tired of the noise and replaced it with the much more expensive Subaru muffler. The hangers and the flange did line up perfectly though. ... show more
Reviewed in the United States on April 28, 2024 by Todd F Wheeler
    • Your going to bend one of the arms slightly so the flanges aling.
works well. don;t forget the round gasket.
Reviewed in the United States on May 21, 2024 by Bill C
    • Perfect fit..
This muffler is a perfect fit replacement. I like it. Walker can be counted on to make the right muffler as the advertise. Thanks for a $320.00 savings on the dealer estimate.
Reviewed in the United States on November 8, 2022 by one rusty rat
    • This is brand new product ?!
Review Image by Kyler Kyler
Review Image by Kyler Kyler
Review Image by Kyler Kyler
Review Image by Kyler Kyler
A lot of scratches , dents , and rusty already …. Also it look like so one just welding the tube to body by using handz… no label or instruction shows any information about this muffler . Are this really a new one not a used one ?!
Reviewed in the United States on March 21, 2024 by Kyler Kyler

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