Stage 4 Extreme Kit +185hp ** Price includes $850 Refundable Core Charge**

Predator's Stage 4 High Output Kit for your 1996-2003 H1 Hummer will make a huge difference to the overall power output, cooling and drivability of your H1 Hummer. The basis of the performance upgrade is the RapTorq Performance Computer system. This kit is designed to add a whole new level of performance with an additional 185 hp (manufacturers estimate), on average, and improved cooling. When placing your order please include your vin number in the comments section at checkout. There will be an additional core charge of $550 for the computer and a $300 core charge for the injectors that will be reimbursed when your originals are returned to us in working order.

Stage 4 Extreme Kit +185 HP RapTorq RapBoost RapFlow Air Filter Equalizer RapJet Exhaust Off Road Pipe RapCool

Black Kit includes Black Powder Coated Exhaust.