LMM Duramax Exhaust Manifolds

Unlock better performance and reliability from your 2007–2010 LMM Duramax with upgraded exhaust manifolds. Engineered to eliminate factory flow restrictions and withstand extreme heat, these heavy-duty manifolds improve turbo spool, reduce backpressure, and enhance overall engine efficiency. Ideal for tuned and towing applications, our premium LMM Duramax exhaust manifolds deliver increased durability and noticeable gains in power.