Features:

• Provides additional boost pressure and horsepower with the turn of an "infinitely" adjustable knob
• Reduces exhaust gas temperatures (EGTs)

Application: 2004.5-2007 Duramax LLY and LBZ diesel engines

Product Description:

The Boost Controller was specifically designed for 2004.5 through 2007 Duramax diesel engines and provides additional boost (up to 20 psi) and horsepower (up to 65 hp) with the turn of an “infinitely” adjustable knob and reduces exhaust gas temperatures (EGTs).

Note: “Legal in California only for racing vehicles which may never be used upon a highway.”