big difference in sound. small difference in accelleration. mostly in the high RPMs, like over 4000. that's when the enginge can benefit from more air.
____________________ 04 ZY ZX3/2.3L PZEV/K&N Typhoon CAI/FS race exaust/SVT suspension/black 18" L8 rims/FS front stress bar/steeda STS/black projector LED headlights (HID)/black alteza taillights/smoked side markers/euro upper front grille/euro LED 3rd brake lights/
rochvegas j wrote: big difference in sound. small difference in accelleration. mostly in the high RPMs, like over 4000. that's when the enginge can benefit from more air.
When I put my magnaflo cat back on it took .4 - .5 off my 1/4 mi. time. That's pretty good.
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