seraphyn_r33 Posted October 16, 2007 Share Posted October 16, 2007 Looking at buying a hi flow cat for my r33 gtst. Exhaust wise i have an apexi 3 inch from the cat back. Is it worth buying one?? What kind of power gain would i see?? If so, what brand do you recommend?? I also want to avoid a mild steel one causing a hellish droning noise as my exhaust has a really nice deep quiet note at the moment and i dont want to lose that at all. Thanks guys!! Link to comment https://www.sau.com.au/forums/topic/189505-hi-flow-cats/ Share on other sites More sharing options...
R31Nismoid Posted October 16, 2007 Share Posted October 16, 2007 Hi. There is a lot of info across the forums about various upgrades, and a cat is a common topic. Here are some threads to get you started: http://www.skylinesaustralia.com/forums/t1...tml&hl=cats http://www.skylinesaustralia.com/forums/t1...tml&hl=cats Here is the full search listing using "cats" as a search item http://www.skylinesaustralia.com/forums/se...ighlite=%2Bcats Plenty to read up, and will cover all your questions. Cheers Link to comment https://www.sau.com.au/forums/topic/189505-hi-flow-cats/#findComment-3414867 Share on other sites More sharing options...
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