The Boost Controller was specifically designed for 2004.5 through 2009 Duramax diesel engines and provides additional boost (up to 20 psi) and horsepower (up to 65 hp) with the turn of an adjustable knob and reduces exhaust gas temperatures (EGTs).
Notes
Legal in California only for racing vehicles which may never be used upon a highway.
PPE Adjustable Boost Controllers from HorsepowerFreaks
ppe adjustable boost controllers from horsepowerfreaks boost controllers. Install and installation help available for parts and accessories for these model years.