Quiet-Flow Muffler Assembly
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Walker Quiet-Flow Muffler Assembly

Part No. 46748 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:6.500 in
Body Length:19.250 in
Fitment:Direct OE Replacement
Grade:OEM Standard Part
Inlet Configuration:Offset
Inlet Connection Type:Spherical Flare
Inlet Inside Diameter:2.250 in
Inlet Quantity:2
Internal Construction:Combination
Muffler 1 Body Width:11.000 in
Muffler Inlet Diameter 1:2.250 in
Muffler Inlet Diameter Designation:Inside Diameter
Muffler Material:Steel
Muffler Outlet Diameter Designation:Outside Diameter
Muffler Shape:Oval
Muffler Type:Combination
Outlet Configuration:Offset
Outlet Connection Type:Dual Tips
Outlet Diameter:2.500 in
Outlet Outside Diameter:2.500 in
Outlet Quantity:2
Outlet Type:Dual Tips
Overall Length:71.000 in
Shell Diameter Height:6.500 in
Shell Diameter Width:11.000 in
Shell Length:19.250 in
Shell Material:Stainless Steel
Shell Shape:Oval

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3 Questions | 3 Answers
Displaying questions 1-3
  • Q:

    will this item fit a 1987 BMW 325 I convertible ?
    Asked on 5/21/2015 by Al

    1 answer



      Hi Al, I'm glad to assist you! This Walker Quiet-Flow SS Stainless Steel Direct-Fit Assembly (Part No. 46748) is an exact fit for your 1987 BMW 325i. Walker Bracket (Part No. 36245) is required to fit this item.

      Answered on 5/21/2015 by Solomon
  • Q:

    Have performance muffler now..........too loud....will this product be quiet.....smoother
    Asked on 7/30/2014 by ron from delaware ohio

    1 answer



      Hi Ron, good question! It provides great interior and exterior sound control without decreasing exhaust flow.

      Answered on 7/31/2014 by Vincent from AAP
  • Q:

    Interested in this exhaust system. Are the pipes and muffler both made of stainless steel? If the muffler isn't SS, what are the materials?

    Asked on 9/18/2012 by Steve from Pittsburgh Pa

    1 answer



      This Walker Quiet-Flow SS Stainless Steel Direct-Fit Assembly (Part# 46748) made of 100 percent aluminized steel and 3-internal tube design. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto store and one of our representatives will gladly assist you with any questions or concerns you may have.

      Answered on 9/19/2012 by Rick from AAP
Displaying questions 1-3

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