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Resonator Assembly
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Resonator Assembly by Walker (part#55272) / Exhaust Resonators

Part No. 55272 Warranty  
$134.99
Quantity  Add Resonator Assembly To Cart

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Brand: Walker
Advance Auto Parts Part#: 20290098
Suitable vehicles: Click to find if this product can be used with your vehicle:
  • Buick
    • Rainier
      • 2004
        • 2004 Buick Rainier (4.2L 256CI L6 FI VIN: S)
  • Chevrolet
    • Trailblazer
      • 2004
        • 2004 Chevrolet Trailblazer (4.2L 256CI L6 FI VIN: S)
      • 2003
        • 2003 Chevrolet Trailblazer (4.2L 256CI L6 FI VIN: S)
      • 2002
        • 2002 Chevrolet Trailblazer (4.2L 256CI L6 FI VIN: S)
    • Trailblazer EXT
      • 2004
        • 2004 Chevrolet Trailblazer EXT (4.2L 256CI L6 FI VIN: S)
      • 2003
        • 2003 Chevrolet Trailblazer EXT (4.2L 256CI L6 FI VIN: S)
      • 2002
        • 2002 Chevrolet Trailblazer EXT (4.2L 256CI L6 FI VIN: S)
    • Trailblazer EXT LS
      • 2005
        • 2005 Chevrolet Trailblazer EXT LS (4.2L 256CI L6 FI VIN: S)
    • Trailblazer EXT LT
      • 2005
        • 2005 Chevrolet Trailblazer EXT LT (4.2L 256CI L6 FI VIN: S)
    • Trailblazer LS
      • 2005
        • 2005 Chevrolet Trailblazer LS (4.2L 256CI L6 FI VIN: S)
    • Trailblazer LT
      • 2005
        • 2005 Chevrolet Trailblazer LT (4.2L 256CI L6 FI VIN: S)
  • GMC
    • Envoy
      • 2004
        • 2004 GMC Envoy (4.2L 256CI L6 FI VIN: S)
      • 2003
        • 2003 GMC Envoy (4.2L 256CI L6 FI VIN: S)
      • 2002
        • 2002 GMC Envoy (4.2L 256CI L6 FI VIN: S)
    • Envoy SLE
      • 2005
        • 2005 GMC Envoy SLE (4.2L 256CI L6 FI VIN: S)
    • Envoy SLT
      • 2005
        • 2005 GMC Envoy SLT (4.2L 256CI L6 FI VIN: S)
    • Envoy XL
      • 2004
        • 2004 GMC Envoy XL (4.2L 256CI L6 FI VIN: S)
      • 2003
        • 2003 GMC Envoy XL (4.2L 256CI L6 FI VIN: S)
      • 2002
        • 2002 GMC Envoy XL (4.2L 256CI L6 FI VIN: S)
    • Envoy XL SLE
      • 2005
        • 2005 GMC Envoy XL SLE (4.2L 256CI L6 FI VIN: S)
    • Envoy XL SLT
      • 2005
        • 2005 GMC Envoy XL SLT (4.2L 256CI L6 FI VIN: S)
    • Envoy XUV
      • 2004
        • 2004 GMC Envoy XUV (4.2L 256CI L6 FI VIN: S)
  • Oldsmobile
    • Bravada
      • 2002
        • 2002 Oldsmobile Bravada (4.2L 256CI L6 FI VIN: S)


Walker, one of the core brands of Tenneco, builds upon its worldwide OE partnerships and manufacturing facilities to deliver OE look, fit and dependability. Walker's worldwide network of full-service engineering and development centers span five continents and allows Walker to bring new products and the latest technologies to the market faster. With this world-class support, Walker possesses the technical excellence needed to meet today's needs while developing solutions to tomorrow's challenges.

Walker has been a driving force of innovation over the past century. The brand's history of innovative engineering includes such "firsts" as the louvered-tube muffler, stainless steel muffler, aluminized exhaust products, and chambered-tube mufflers. These advantages continue today in virtually every premium Walker exhaust and emission control component. For Walker, innovation drives performance and satisfied customers.

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Inlet Connection Type:Pipe
Inlet Diameter:2.5 in
Inlet Quantity:1
Outlet Connection Type:Pipe
Outlet Quantity:1
Overall Length:58.870 in
Shell Finish:Aluminized
Shell Material:Steel

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2 Questions | 2 Answers
Displaying questions 1-2
  • Q:

    Does this need to be welded on the the exhaust pipe or is it a larger ID to fit over the existing pipe and clamped?
    Asked on 8/9/2011 by Anonymous

    1 answer

    • CUSTOMER CARE

      A:

      It will be direct bolt on and it has the dimension of 2.500 in diameter. You will have to check the dimension of your stock exhaust pipe before it is installed.

      Answered on 8/10/2011 by DIY Daniel from AAP
  • Q:

    is this seperate from the muffler if so what is the difference between muffler and resonator
    Asked on 6/24/2011 by Anonymous

    1 answer

    • CUSTOMER CARE

      A:

      The resonator is designed to reduce/eliminate resonance and the muffler is designed to make the full sound quieter.

      Answered on 6/29/2011 by Vincent from AAP
Displaying questions 1-2

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Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.