Walker 56300 Exhaust Resonator and Pipe Assembly

Brand Walker 56300
Body 1 Height 5
Body 1 Length 14
Body 1 Shape Round
Body 1 Width 5
Body Material Steel
Finish Aluminized
Inlet Inside Diameter 2.25
Inlet Type Pipe Connection
Muffler Body Length 14
Outlet Type 2 Bolt Welded Flange
Overall Length 72
Pipe Material Steel
Fits Mazda · 10 vehicles

OE-style sound. Precise tuning helps deliver the original system's sound and flow characteristics.

Steel construction. Steel body and pipe with an aluminized finish for durable exhaust service.

Pipe connection inlet. Single inlet and outlet with a 2-bolt welded flange for straightforward installation.

Cross-references AP Exhaust 78292 for the same application. See all 1.

$94.70Free shipping
In stock · usually ships same day before 1pm CST
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Order total $94.70
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker 56300 Exhaust Resonator and Pipe Assembly

Walker 56300 is an aluminized steel exhaust resonator and pipe assembly built for the 2009-2013 Mazda 6. It uses OE-style tuning to match original exhaust flow and sound characteristics while restoring a direct-fit exhaust path.

Key Features

  • Fits 2009-2013 Mazda 6
  • Part number 56300
  • 2.25-inch inlet inside diameter with pipe connection
  • 2-bolt welded flange outlet for secure exhaust connection
  • Steel pipe and steel body construction
  • Aluminized finish for added corrosion resistance
  • Round resonator body with 14-inch body length and 72-inch overall length
  • Walker resonator tuning technology for OE-style sound and flow

Detailed Description

Walker 56300 is engineered as an exhaust resonator and pipe assembly for the Mazda 6, 2009-2013. The design follows original-system dimensions and tuning goals, using a 2.25-inch inlet, steel construction, and an aluminized finish to support durable service in the exhaust stream. The round 14-inch resonator body and 72-inch overall length help maintain factory-style exhaust routing and sound control. If you are replacing a worn or damaged resonator assembly on a Mazda 6, part number 56300 provides a direct-fit solution that aligns with OE-style performance expectations.

This part cross-references AP Exhaust 78292 for the same application.

Common Issues It Can Address

  • Exhaust noise from a damaged or rusted resonator assembly
  • Restricted exhaust flow caused by internal deterioration
  • Fitment problems from a bent or corroded pipe section
  • Leaking exhaust connections at the flange or pipe joint
  • Loss of factory-style exhaust tone on a Mazda 6

Installation Notes and Tips

Verify the vehicle application before installation: Fits 2009-2013 Mazda 6. Confirm the 2.25-inch inlet connection and 2-bolt welded flange outlet match the existing exhaust layout on the vehicle. Inspect adjoining pipes, hangers, and flange surfaces for wear before installing Walker 56300 so the replacement seals and aligns correctly.

Quality Assurance

Walker uses precise tuning methods to help this resonator and pipe assembly deliver OE-style sound and flow characteristics. The aluminized steel construction is selected to support long-term exhaust service in a demanding underbody environment.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013Mazda62.5LL4N/A—
2013Mazda63.7LV6N/A—
2012Mazda62.5LL4N/A—
2012Mazda63.7LV6N/A—
2011Mazda62.5LL4N/A—
2011Mazda63.7LV6N/A—
2010Mazda62.5LL4N/A—
2010Mazda63.7LV6N/A—
2009Mazda62.5LL4N/A—
2009Mazda63.7LV6N/A—
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 78292