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Originally Posted by fierangero
you want some backpressure to facilitate scavenging, it keeps the exhaust velocity up, as well as keeping cold air from rushing back up there and cooking your valves (that only really happens on open headers). just keep in mind that the engine is much like an air pump, the faster air gets in and out, the more power is produced.
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ok..so i have 2.25 inch cat back, no resonators with an open muffler. I also have a K&N short ram..do you think i'm loosing power? I was thinking about putting a header on soon and putting on a test pipe. Do you think i should throw on a resonator or two? maybe put the silencer back in my exhaust tip aswell? i'm also running this all off a zc.
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12-16-2005, 04:49 PM
