Quiet-Flow Muffler Assembly
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Walker Quiet-Flow Muffler Assembly

Part No. 54481 Warranty Details  
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Combines industry-leading coverage with a direct fit OE-style replacement muffler. Quiet-Flow is available for top-selling domestic and foreign-nameplate applications, and offers precision fit, superior flow, and OE-style sound. Quiet-Flow mufflers have a limited lifetime warranty and a 90-day Safe and Sound® guarantee.

Product Features:
  • 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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Body Height:6.000 in
Body Length:27.000 in
Fitment:Direct OE Replacement
Grade:OEM Standard Part
Inlet Connection Type:Pipe Connection
Inlet Quantity:1
Internal Construction:Combination
Muffler 1 Body Width:13.500 in
Muffler Inlet Diameter 1:2.000 in
Muffler Material:Steel
Muffler Shape:Irregular
Muffler Type:Combination
Outlet Connection Type:Tip - Welded Spout
Outlet Diameter:2.375 in
Outlet Quantity:1
Outlet Type:Pipe Connection
Overall Length:41.109 in
Shell Diameter Height:6.000 in
Shell Diameter Width:13.500 in
Shell Length:27.000 in
Shell Material:Stainless Steel
Shell Shape:Oval


by PowerReviews
WalkerQuiet-Flow Muffler Assembly

(based on 2 reviews)

Ratings Distribution

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  • 1 Stars



Reviewed by 2 customers

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easy order easy install


from WI - Wisconsin

Verified Buyer

Comments about Walker Quiet-Flow Muffler Assembly:

fit perfectly

  • Was this a gift?:
  • No

Looks exactly like the original muffler


from Delanson NY

Verified Buyer


  • Easy To Install


    Best Uses

    • Everyday Driving
    • Replacement

    Comments about Walker Quiet-Flow Muffler Assembly:

    [...] it installed perfectly. Overall very satisfied.

    • Car & Truck:
    • Casual Driver

    Displaying reviews 1-2

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    Do you have questions about this product?


    Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

    1 Question | 1 Answer
    Displaying question 1
    • Q:

      what size clamp does it use?
      Asked on 3/16/2015 by D Saturn

      1 answer



        Hi D Saturn, I'm glad to help you! You'll need the Walker #35335 2 inch Heavy Duty Clamp for this #54481 muffler. But, this is not sold on AdvanceAutoParts.com. I recommend checking with your local store for availability.

        Answered on 3/17/2015 by Solomon
    Displaying question 1

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