Quiet-Flow SS Muffler Assembly
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Walker Quiet-Flow SS Muffler Assembly

Part No. 47794 Warranty Details  

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Walker® is the only aftermarket exhaust manufacturer in North America with the capability to combine industry-leading coverage with a direct fit OE-style replacement, 100% structural stainless steel muffler, which provides over three times the average lifespan of competitors' aluminized replacement mufflers. Walker® Quiet-FlowSS is available for a vast majority of top-selling domestic and foreign-nameplate applications. In addition to Walker's renowned precision fit, superior flow, and OE-style sound, these mufflers feature 409 stainless steel heads, shell, bushings, louvered tubes and partitions. Walker® Quiet-FlowSS mufflers have a limited lifetime warranty and a 90-day Safe and Sound® guarantee. See www.walkerexhaust.com for warranty and guarantee details.

Product Features:
  • 100% structural stainless steel construction
  • 3X the life expectancy vs. typical aluminized mufflers
  • OE-style louvered tube technology lowers noise level for premium OE-style sound compared to straight perforated tubes
  • Precise OE-style routing & hanger positions for quick & easy installation
  • Comprehensive internal drainage system for corrosion resistance
  • OE-style domed heads help reduce radiated noise compared to flat heads
  • Spun-locked heads to help prevent rupture
  • Limited Lifetime Warranty and exclusive 90-Day Safe & Sound Guarantee
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Inlet Configuration:Offset
Inlet Outside Diameter:2.250 in
Inlet Quantity:1
Internal Construction:Combination
OE Replacement:Direct OE Replacement
Outlet Configuration:Offset
Outlet Outside Diameter:2.500 in
Outlet Quantity:1
Outlet Type:Pipe Connection
Overall Length:68.220 in
Shell Diameter Height:7.000 in
Shell Diameter Width:9.000 in
Shell Length:20.000 in
Shell Material:Stainless Steel
Shell Shape:Oval


by PowerReviews
WalkerQuiet-Flow SS Muffler Assembly

(based on 1 review)

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Reviewed by 1 customer

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excellent fit, factory specs.


from winchester, va

About Me Truck Enthusiast

Verified Buyer


  • Easy To Install
  • Great Sound
  • Lightweight


  • Inlet too small

Best Uses

  • Everyday Driving
  • Replacement

Comments about Walker Quiet-Flow SS Muffler Assembly:

Inlet could have been expanded to fit over existing pipe. other wise it was well worth the money and after having the inlet expanded at a muffler shop it took less than 20 min. to install and sounds great.

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1 Question | 1 Answer
Displaying question 1
  • Q:

    Hi how come when you ship out a muffler assembly you don't bubble wrap it. if your not going to put it in a box? how do i return ? it has 5 to 10 dents in it the one end is not round any more.
    Asked on 6/20/2014 by marty from New Berlin, Wis

    1 answer



      Hi Marty, glad to serve you! For further assistance, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

      Answered on 6/22/2014 by Steve from AAP
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