Subject	a 3 inch exhaust from the cat back will not create a
Posted by	Slowninja(GT28RS Inconel Z) on April 01, 2005 at 8:17 PM
	This message has been viewed 48 times.
In Reply To	Need help regarding 3" test pipes posted by kmahmood on April 01, 2005 at 10:56 AM
Message	power loss .. if anything it will shift the power band to more topend ..3 inch is probably overkill for most applications ..but it does have benefits the higher you go in the rwhp range ..the is more to gain with downpipes though ... I haven't seen 1 dyno that said you get more rwhp with a 2.5 inch vs a 3 inch exhaust ... just my 2 cents from experience 99 Yamaha R1 ( the blue 1 ) 91 Nissan Pathfinder "What, are you afraid that only a couple of good ones have rolled off the production lines and the rest are crap?? ... Its mechanics not the stockmarket." ... ZisLuv on May 03, 2004 at 6:12 PM "You think when you go to a bar with your girlfriend, every other guy there is gonna be your best friend? Welcome to reality." ........ dilo on January 04, 2005 at 4:02 PM "....I think you need to lay off the sauce or whatever you have driving you nuts and take it easy for a while. These posts only serve to make you look even worse, its gotten so bad it even makes me look bad to reply to you.... maglito on January 22, 2005 at 3:11 AM Z32 Power.Com pump fuel : 519 rwhp / 502 torque sunoco 104 race fuel : 604 rwhp / 544 torque Dyno Charts - La-Z-Link La-Z-Link
Follow Ups	Need help regarding 3" test pipes - kmahmood 10:56:19 04/01/05 Not really any reason to do that. (n/m) - YugoBernie (NoVA) 11:03:05 04/01/05 I was getting a good deal on cat back exhaust with - kmahmood 11:10:24 04/01/05 Only if you want a performance decrease. (n/m) - Kenny 11:05:56 04/01/05 Out of curiosity, why would it decrease performance? (n/m) - DougG 14:12:13 04/01/05 Short answer, more backpressure. (n/m) - turtleboy 14:55:26 04/01/05 How would increasing the diameter of the pipe create more - myzislow 17:01:28 04/01/05 Welcome to thermodynamics. - Kenny 17:25:40 04/01/05 It decreases the exhaust gas velocity. - Kenny 16:34:59 04/01/05 Interesting. Thank you for the breakdown. So, it is not - DougG 19:05:32 04/01/05 I believe the two preceeding posts are tryign to tell you - Seafordguy 11:11:02 04/01/05 I'm with this guy. (n/m) - Kenny 11:19:57 04/01/05 post your dyno's then? (n/m) - ZBlacktt 01:39:54 04/02/05 Who put a question mark at the end of the prompter? (n/m) - Kenny 22:59:57 04/02/05 Speaking in 3rd persons, lol. (n/m) - ZBlacktt 21:00:00 04/03/05 I disagree, I felt a power INCREASE going from 2.5" - shawn300zTT GT28R soon 14:32:20 04/01/05 Bigger = cooler and slower - turtleboy 14:55:01 04/01/05 Have you *dynoed*, or just *felt* a difference? - Dallas DamonZ 17:28:29 04/01/05 BS, do some searching yourself :) (n/m) - ZBlacktt 00:39:07 04/02/05 2.5", 3" are HARD to argue to be MUCH different. Given - Scotts94z32 12:05:49 04/01/05 a 3 inch exhaust from the cat back will not create a - Slowninja(GT28RS Inconel Z) 20:17:18 04/01/05 and your not going to see one - ZBlacktt 01:37:54 04/02/05
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