Walker 47856 Exhaust Resonator and Pipe Assembly

Brand Walker 47856
Muffler Body Length 16
Pipe Material Steel
Inlet Inside Diameter 2.25
Overall Length 69.125
Body 1 Height 4
Body 1 Length 16
Body 1 Shape Round
Body 1 Width 4
Body Material Steel
Finish Aluminized
Inlet Quantity 1
Inlet Type Pipe connection
Outlet Quantity 1
Outlet Type 2 bolt welded flange
Fits Mazda · 3 vehicles

OE-style sound. Precise tuning delivers the original system's tone and excellent flow characteristics.

Steel construction. Body and pipe are made of steel with an aluminized finish for added durability.

Pipe connection. Single inlet and welded flange outlet simplify exhaust installation.

Cross-references Walker Exhaust 16589, 40881 and 643048 for the same application. See all 3.

$139.02Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $139.02
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker 47856 Exhaust Resonator Assembly

Walker 47856 is an exhaust resonator and pipe assembly built for the 2007-2009 Mazda CX-7. It is engineered to match original-system fit, flow, and sound characteristics while using aluminized steel construction for durability.

Key Features

  • Fits 2007-2009 Mazda CX-7
  • Part number 47856
  • Exhaust resonator and pipe assembly
  • 2.25-inch inlet inside diameter with pipe connection
  • Single outlet with 2-bolt welded flange
  • Steel pipe and steel body construction
  • Aluminized finish for corrosion resistance
  • Round resonator body, 16-inch body length, 69.125-inch overall length

Detailed Description

Walker 47856 is a direct-fit exhaust resonator assembly for the Mazda CX-7, designed to restore OE-style exhaust tone and maintain proper exhaust flow. The round steel resonator body measures 16 inches in length, with a 4-inch height and 4-inch width, and the assembly uses a 2.25-inch inlet inside diameter with a pipe connection on one end and a 2-bolt welded flange on the other. This part cross-references Walker Exhaust 16589 for the same application.

For shoppers searching for a 2007 Mazda CX-7 exhaust resonator, 2008 Mazda CX-7 resonator pipe assembly, or 2009 Mazda CX-7 OE-style exhaust replacement, Walker 47856 provides a fit-focused solution built around the original system layout. The aluminized steel finish and steel pipe material support long-term service in exhaust environments.

What It Helps Address

  • Exhaust resonance or drone from a worn resonator
  • Rust damage in the resonator or pipe section
  • Cracked or leaking exhaust joints at the flange connection
  • Loss of original exhaust tone after component failure
  • Restricted exhaust flow caused by a deteriorated assembly

Installation Notes and Tips

Verify the inlet diameter, outlet flange style, and overall length against the existing exhaust layout before installation. This assembly is listed for the 2007-2009 Mazda CX-7, and the fitment should be matched to the vehicle’s original exhaust configuration. Professional installation is recommended for proper alignment and sealing.

Quality Assurance

Walker designs this resonator to fit, perform, and sound like the original system, using tuning methods aimed at OE-style exhaust characteristics. Part number 47856 is built as a direct replacement for the listed Mazda CX-7 applications.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2009MazdaCX-72.3LL4—
2008MazdaCX-72.3LL4—
2007MazdaCX-72.3LL4—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Walker Exhaust — 1658940881643048