AP Exhaust 40170 Exhaust Muffler Assembly

Brand AP Exhaust 40170
Muffler Material Aluminized steel
Fits Mazda · 5 vehicles

Aluminized steel. Resists corrosion for dependable exhaust performance.

Muffler assembly. Complete exhaust muffler assembly for straightforward replacement.

Cross-references 17430-0P181 for the same application. See all 1.

$109.42Free shipping
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AP Exhaust 40170 Muffler Assembly for Mazda 6

AP Exhaust 40170 is an exhaust muffler assembly built with aluminized steel for a direct-fit replacement on select Mazda applications. It is listed for 2009-2013 Mazda 6 models with a welded exhaust muffler assembly configuration.

Key Features

  • Aluminized steel muffler material for corrosion resistance in exhaust service
  • Exhaust muffler assembly for rear exhaust repair and replacement
  • Fits 2009-2013 Mazda 6, N/A
  • Welded exhaust muffler assembly configuration
  • AP Exhaust part number 40170 for catalog and service reference

Product Details

AP Exhaust 40170 is a replacement muffler assembly for the Mazda 6 platform, covering 2009, 2010, 2011, 2012, and 2013 model years. The aluminized steel construction is commonly used in exhaust components where durability and heat exposure are important, and the welded assembly format supports a service-style replacement for the original muffler section. This part cross-references Toyota OE-style part number 17430-0P181 for the same application.

Common Issues This Part Can Address

  • Exhaust noise from a damaged or rusted muffler assembly
  • Visible corrosion on the original muffler body
  • Failed welded seams or leaks in the rear exhaust section
  • Restricted exhaust flow caused by internal muffler deterioration
  • Replacement needs after road salt or moisture exposure

Installation Notes and Tips

Verify the vehicle is a 2009-2013 Mazda 6 before ordering. Confirm the existing exhaust layout and welded muffler assembly configuration match the replacement part number 40170. Exhaust work should be performed with the vehicle safely supported, and all mating surfaces should be inspected for corrosion or damage before installation.

Quality Assurance

AP Exhaust manufactures exhaust components for service replacement applications, and this muffler assembly is built to match the listed fitment for the Mazda 6 platform.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013Mazda62.5LL4N/AWelded Exhaust Muffler Assembly
2012Mazda62.5LL4N/AWelded Exhaust Muffler Assembly
2011Mazda62.5LL4N/AWelded Exhaust Muffler Assembly
2010Mazda62.5LL4N/AWelded Exhaust Muffler Assembly
2009Mazda62.5LL4N/AWelded Exhaust Muffler Assembly
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
17430-0P181