Exhaust Brake Variable Vane - Chevy 2007.5-2010 LMM Duramax 2018 Billet 4C Spring Retaining Ring

Billet 4C Spring Retaining Ring

All modifications must be done by a qualified pump technician otherwise damage could result

The turbocharger is mounted directly to a BD cast iron T4 manifold

GTP38 turbochargers are serviceable and come with a new oil resistant intake hose and clamp

Exhaust Brake Variable Vane - Chevy 2007.5-2010 LMM Duramax 2018 Billet 4C Spring Retaining RingThe variable vane turbochargers used in diesels today to reduce turbo lag, emissions and increase power can also be used to slow you down. BD utilizes this technology by electronically closing off the turbine vanes which can create up to 130 retarding horsepower. This braking force will help to maintain your speeds on descents and curves, giving you better control of your truck and load. Works with your cruise control to automatically accelerate and