The Rapid Power module from Bully Dog is designed to increase power and improve fuel economy on farm tractors, construction equipment, RVs and mid sized commercial trucks. The Rapid Power module increases your engines horsepower allowing you to pull more and move faster all while saving fuel.
The Cat Rapid Power module works on CAT 3126, C7 and C9 engines from
'98 - '05. It includes three settings: stock, a 15% and a 30% increase
in horsepower and torque.
Switching the levels on the Bully Dog BT40630 will require you to have the engine turned off.