HSP Ceramic Coated Cast Manifolds 2001-2016 Duramax requires-vin but please call for a

but please call for a current lead time before ordering

7% less restrictive than stock

Or "Drop Control Arm" Lifts kits

Made from 10AN Nylon Braided hose

HSP Ceramic Coated Cast Manifolds 2001-2016 Duramax requires-vin but please call for aHSP Ceramic Coated Cast Manifolds 2001 2016 Duramax Why Would You Need the HSP Diesel Coated Billet Manifolds? The factory manifolds are restrictive from the get go. HSP Diesel noticed quickly that these needed to be addressed if you wanted to make more power. The factory manifolds are also known to fail due to cracks, warping, and broken bolts. The HSP Diesel Manifolds address all of these issues while looking better and adding power. What do the HSP