FI will be louder i think. the first gen FI's had an issue with sitting too low but i think that's been resolved now. not sure about the tips sitting out too far on the gemeni. seen one in person and they didn't seem to stick out to me. i would say the invidia really brings out the oldschool VQ sound the 350z's had, whereas the FI is a little more high pitch up top. i THINK the FI makes more HP but don't quote me on that.
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09 370Z ST 6MT//Injen CAI//Greddy CBE//TP//TSW's//Swifts//Stillen lip//Whiteline sways
326whp/268tq
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