ZEX kits come with built in computer. It measures fuel pressure and vacuum pressure to prevent detonation. Compared to NOS, ZEX imho is the superior brand, it just never got all the hype that NOS had, also comes with i think a 75 and 100 hp jet. Wanting 350$
I have TWO KITS!!!!!!!!!!!!!!!!!!!!!!!!!1 has sold
Last edited by LowRed99; 12-31-2007 at 06:42 PM. Reason: Just Cause
Dropped Ext Cab 99 Sierra, AirRaid intake, PowerAid Throttle Body Spacer, 3 in exhaust to a Flowmaster, Exhaust out back side of bed of truck, Bright Red, Projector Headlights, Billet Steering Wheel, Touch Screen DVD/CD player, Soon To have, N2O, Headers, Cam, Stall, Nelson Tune, E fans, Shift Kit,
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