H3 RapTorq Computer Upgrade 3.7L ** Price includes $500 Refundable Core Charge**

Predator's H3 Raptorq ECM Upgrade offers your 3.5L, 3.7L and 5.3L Hummer an additional 40HP, on average. Finally your H3 can safely manuver through the tightest terrain, wether its trails or traffic, with ease! Each ECM is specifically programmed for your vehicle. This is an exchange item and a core charge applies. Core charge fee of $500 will be applied at time of order fulfillment and will be refunded once it is returned. Available for all year and model Hummer H3's. To make the performance gains we do in a safe and reliable range, each computer is programmed specifically for your individual Hummer. To do this, we need your VIN (vehicle identification number) number located on your door jamb to program it properly to your vehicles requirements. Please include your VIN number in the Notes section upon check out.