Subject	A full 3" exhaust versus a tapered 3" to 2.5"
Posted by	ZILVER-NZ on February 14, 2013 at 2:46 PM
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In Reply To	Exhaust 3"-2.5" or full 3" posted by ZxMoslowxZ on February 14, 2013 at 08:53 AM
Message	I doubt you'll notice much of a performance difference between full 3" and if you were to compare with a 3" exhaust connected to a 2.5" catback. Certainly not justifying the expense of replacing the catback anyway - for what? - maybe ~ +5HP on a mildly modded TT?
Follow Ups	Exhaust 3"-2.5" or full 3" - ZxMoslowxZ 08:53:28 02/14/13 If you don't have a TT, stick with 2.5". (n/m) - johnnysombrero 09:52:07 02/14/13 I have TT swap. Just bought Ash Gt2860rs turbos. (n/m) - ZxMoslowxZ 10:53:55 02/15/13 Is your priority power? If so, 3". - BoneZ (MD) 10:23:15 02/14/13 Like most things, it depends on what you want. - zellamay 11:54:05 02/14/13 A full 3" exhaust versus a tapered 3" to 2.5" - ZILVER-NZ 14:46:53 02/14/13 Correct. This from Greg Dupree... - 240Z FeO2 15:00:02 02/14/13 eh...that was before the advent of breather mods - aliaZ 21:46:41 02/14/13 Good point. (facepalm) The likelihood of power gains, and - 240Z FeO2 13:05:32 02/15/13 So if im shooting for 500whp - ZxMoslowxZ 10:52:37 02/15/13 Here are the tuning results for a car with intake mods - 240Z FeO2 12:06:10 02/15/13 2" on a non-turbo. get a little back pressure. (n/m) - genic 20:00:20 02/14/13 the need for back pressure is a myth - aliaZ 18:59:48 02/15/13
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