SuperChips Amp'D 2.0 Throttle Booster For 2001-2005 6.6L Duramax LB7/LLY to be categorized (2) Progressive-Rate Front Coil Springs

(2) Progressive-Rate Front Coil Springs

Horsepower Rating: Up to 400+ HP

2007-2018 GMC Sierra 1500

(1) Gasket and Seal Kit

SuperChips Amp'D 2.0 Throttle Booster For 2001-2005 6.6L Duramax LB7/LLY to be categorized (2) Progressive-Rate Front Coil SpringsImprove the throttle response from your vehicle when you add the SuperChips Products 28855 D2 Amp'd 2. 0 Throttle Booster W Bluetooth Switch. The Amp'd 2. 0 Throttle Booster W Bluetooth Switch removes throttle delay and makes your throttle response completely customizable. This ability to adjust your throttle parameters makes the Amp'd 2. 0 Throttle Booster W Bluetooth Switch one of the most advanced throttle modification devices on the market. The