Walker SoundFX 18981 Direct Fit Exhaust Muffler 1.875" Inlet (ID) 2.25" Outlet (OD) for Pontiac Grand Prix

Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

• COMPATIBILITY – Fits 2003-2003 Pontiac Grand Prix; 2004-2004 Pontiac Grand Prix; 2005-2005 Pontiac Grand Prix; 2006-2006 Pontiac Grand Prix; 2007-2007 Pontiac Grand Prix; 2008-2008 Pontiac Grand Prix
• GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
• INHIBITS CORROSION -- Aluminized-steel construction and internal drainage system helps inhibit corrosion
• BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
• EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn't require specialized fabrication and/or welding
• FACTORY SOUND -- Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
• GET MORE MILES FROM YOUR MUFFLER -- Designed and tested to extend muffler life