revised FI exhaust may have higher clearance but all the people that I know of in Chicago area that have or have had this exhaust had some serious scraping issues.... that is why I went with HKS, and as far as gains go with just Test pipes and the HKS exhaust I gained 22whp..... Now with the LTH's and the HKS exhaust I will have to get back to the same dyno on a similar day to see the difference also get back to the track....
If you are worried about the sound I wouldnt look into exhaust almost all of them come with some sort of rasp and can be loud at times its just the nature of the beast....
DAN
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-My BRZ with exhaust will decimate all if we overnight parts from Japan-
10 Civic EX Sedan- Current Daily
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