on my 97 i have a cheap universal cold air intake with a TBS and a borla header and catback, a friend has a 99 wrangler with custom dual exhaust and the computers been flashed with the latest stuff from the dealer which is supose to add some more torque and hp, both jeeps have 3.07 gears with auto transmissions and the 4.0, i have my friend beat by atleast 2 car lengths before 35mph from a dead stop, people will nag and say dont waste your money it doesnt work, but ask them if they've tried it, becha most, if not all, will say they never have

WHEN THE ROAD ENDS, THE FUN BEGINS

97 sahara, 4in skyjacker lift, 33in tires, borla header & catback, 10in subs