---tab Description--- For 2001-2007 LB7, LLY, and LBZ Duramax off-road builds, this 4- or 5-inch downpipe-back race exhaust uses 409 stainless tubing to replace the factory exhaust with a freer-flowin…
TL;DR: ---tab Description--- For 2001-2007 LB7, LLY, and LBZ Duramax off-road builds, this 4- or 5-inch downpipe-back race exhaust uses 409 stainless tubing to replace the factory exhaust with a freer-flowing system. Unlock your LBZ LLY LB7 6.6 Duramax's true potential with this high-performance DPF delete…
