S-Pipe comparison
Originally Posted by 05-RS1
i have the draxas. im sure it free'd up some hp but u cant really feel it i dont think. i think the zpi, cc, and draxas would yeild very similar gains. there is little to no difference between them. i think zpi relocated the o2 bung but thats about it.
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Cameron
Scion xB 1st-Gen Owners Lounge
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Mar 11, 2004 10:28 PM






