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Collection: GM Duramax Exhaust Systems

DIESELR’s GM Duramax performance exhaust systems are built to eliminate factory restrictions, improve turbo spool-up, and reduce EGTs for 2.8L, 3.0L, and 6.6L Duramax engines. Whether you need a turbo-back or downpipe-back exhaust, our systems are engineered for real-world durability and power gains.

21 products