AP Exhaust 2508 Exhaust Muffler

Brand AP Exhaust 2508
Body Height 7
Body Length 16
Body Material Aluminized steel
Body Width 9
Grade Type Regular
Heat Shield Attached No
Inlet Inside Diameter 2.25
Inlet Location Center
Inlet Quantity 1
Inlet Type Pipe
Muffler Configuration C/o
Muffler Type Baffled
Outlet Location Right center
Outlet Outside Diameter 2.25
Outlet Quantity 1
Outlet Type Pipe
Overall Length 28.25
Series Challenge
Shape Oval
Sound Level Oe comparable
Tunable No
Fits Chevrolet · 6 vehicles

Baffled design. Helps control exhaust flow for a balanced sound profile.

Aluminized steel body. Resists corrosion for dependable everyday durability.

OE comparable sound. Delivers a factory-like exhaust note without extra drone.

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AP Exhaust 2508 Muffler for Chevrolet HHR

The AP Exhaust 2508 is a baffled oval exhaust muffler built with aluminized steel for service in the exhaust system. It uses a center 2.25-inch inlet and a right-center 2.25-inch outlet, with an OE-comparable sound level for drivers replacing a worn muffler on a 2006-2011 Chevrolet HHR.

Key Features

  • AP Exhaust part number 2508
  • Challenge series muffler
  • Oval body design with 7-inch height, 9-inch width, and 16-inch body length
  • Aluminized steel body material for exhaust system durability
  • Baffled muffler construction with OE-comparable sound level
  • Center inlet and right-center outlet layout
  • 2.25-inch inlet inside diameter and 2.25-inch outlet outside diameter
  • Compatible with 2006-2011 Chevrolet HHR, N/A

Detailed Description

AP Exhaust 2508 is a Challenge series exhaust muffler for the 2006-2011 Chevrolet HHR, N/A. Its oval, baffled design and OE-comparable sound level make it a direct replacement choice for restoring exhaust function while maintaining a factory-style tone. The aluminized steel construction supports everyday exhaust service, and the center-in, right-center-out configuration matches the listed application. AP Exhaust 2508 is a practical option when replacing a muffler on a Chevrolet HHR with the noted welded OE system.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Exhaust noise from a damaged or rusted muffler
  • Restricted exhaust flow caused by internal muffler wear
  • Factory sound changes after muffler deterioration
  • Replacement needs on a welded OE exhaust assembly
  • Fitment-specific replacement for a 2006-2011 Chevrolet HHR exhaust system

Installation Notes and Tips

Verify the center inlet and right-center outlet layout before installation. This AP Exhaust 2508 muffler is listed for the 2006-2011 Chevrolet HHR, N/A, and the fitment note states the OE system was a welded assembly; it is recommended that all parts noted [1] be replaced. Confirm pipe diameter and overall muffler dimensions against the vehicle’s existing exhaust layout before beginning work.

Quality Assurance

AP Exhaust manufactures this muffler as part of its Challenge series using aluminized steel and a baffled internal design. The OE-comparable sound level supports a factory-style replacement for the listed Chevrolet HHR application.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011ChevroletHHR2.4LL4N/AChallenge LTW; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2010ChevroletHHR2.4LL4N/AChallenge LTW; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2009ChevroletHHR2.4LL4N/AChallenge LTW; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2008ChevroletHHR2.4LL4N/AChallenge LTW; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2007ChevroletHHR2.4LL4N/AChallenge LTW; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2006ChevroletHHR2.4LL4N/AChallenge LTW; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.