MagnaFlow Exhaust Kits for 2004 - 2005 Chevy GMC 6.6L Duramax LLY.
Whether you drive a street, off-road or diesel truck/SUV, MagnaFlow has dyno-proven exhaust systems that are rugged enough to survive grueling Baja racing. Each system is designed to bolt right on and provide years of trouble-free performance. Provides a smooth, deep tone that is suitable for grocery-getting SUV's with casual tow duties to full blown modded drag racing diesel pickups.
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