Predator Hummer H1 Stage 4 Extreme Kit.
**Please provide vehicle VIN in "comments" section at checkout**
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
Off Road Pipe
Adventure Accessories is the #1 supplier of parts and accessories for the Hummer H1. If you have any comments or care to share how we may improve your shopping experience, please call toll free 1-800-HUMMER-9 or local and overseas call 636-777-7600. We would love to hear from you.