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The aFe Twisted Steel manifold for 2001–2004 GM V8 6.6L LB7 diesels is a performance replacement manifold and up-pipe assembly constructed from 2" mandrel-bent 304 stainless tubing with a .120" wall. Machined inlet and outlet ports match factory gaskets and 3/8" thick flanges provide a leak-resistant sealing surface. An EGT port and additional cast bosses are included, and the design is compatible with stock up-pipes for easier installation.
aFe 01-04 GM V8-6.6L LB7 Twisted Steel Manifold w/ Up Pipe
