Quiet-Flow SS Muffler
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Walker Quiet-Flow SS Muffler

Part No. 21323 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 Inside Diameter:1.750 in
Inlet Quantity:1
Internal Construction:Combination
OE Replacement:Direct OE Replacement
Outlet Configuration:Offset
Outlet Outside Diameter:1.750 in
Outlet Quantity:1
Outlet Type:Tip - Welded Spout
Overall Length:27.380 in
Shell Diameter Height:4.250 in
Shell Diameter Width:9.750 in
Shell Length:19.000 in
Shell Material:Stainless Steel
Shell Shape:Oval

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1 Question | 1 Answer
Displaying question 1
  • Q:

    Does this muffler need to be welded on or can you clamp it on?
    Asked on 4/7/2013 by pete from rochester ny

    1 answer



      The Walker Quiet-Flow SS Stainless Steel Direct-Fit Muffler (Part No. 21323) is precisely engineered like original equipment manufacturer style routing and hanger positions to ensure the perfect fit for quick and easy installation. It uses factory hangers for mounting. For further assistance regarding the Part No. 21323, please provide the year, make, model and engine size of your vehicle. For more information, 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 4/7/2013 by Steve from AAP
Displaying question 1

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