HSP Ceramic Billet Manifolds For 2001-2016 GMC/Chevrolet 2500/3500 6.6L Duramax search by vehicle you’ll need the optional 40

you’ll need the optional 40 foot long cable which will have to be run from the engine compartment all the way to your driver’s seat area

Perfcore design reduces exhaust drone

6 HP & +37

FL500 Fuel Line

HSP Ceramic Billet Manifolds For 2001-2016 GMC/Chevrolet 2500/3500 6.6L Duramax search by vehicle you’ll need the optional 40HSP Diesel Coated Billet Manifolds are machined from 1018 steel. This means you have the maximum flow due to a more open port design increasing the flowability of the exhaust and the common flow restriction that is found in the driver's side manifold. The design of the HSP Diesel Coated Billet Manifolds is also low profile meaning that you get some extra room if you need to worry about the custom routing of parts. The HSP Diesel Coated Billet