PPE High-Flow Exhaust Manifold and Up-Pipe Set For 2001-2016 Duramax

This set of manifold and up pipes will fit your 2001-2016 Duramax that is setup for off-road use! Great for drag racing and sled pulling applications. Comes as pictured with new gaskets and hardware for mounting the exhaust manifolds to the cylinder heads. We sell the optional ARP up pipe hardware which is asked in the drop down!
 
This kit should be paired with a full 3" down pipe and in most cases will not work with the factory down pipe.
 
Features:
Significant reduction in exhaust back-pressure
Cast hi-sil moly iron high-flow manifold construction
Up-Pipes have free-flowing stainless steel inner liner bellows
Up-Pipes made from stainless steel 11-gauge .120-inch wall, with a 2-inch outside diameter
Built in bosses, pre-drilled and tapped 1/8” NPT for EGT gauge sensor