performance mods for a 2000 wrangler 4L?

jeepster123

New member
i would like to add a little more power. i have already added a KnN high air flow system, superchip and pace setter exhaust and was thinking maybe a throttle body spacer but i dont c how that would really increace power, but if im wrong please explain. and please dont suggest a tornado (those r the biggest rip offs ever!)
 
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