3.5 vs 4 in downpipe

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May 29, 2014 | 06:04 AM

a267mm

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From: miami

3.5 vs 4 in downpipe

how much more will it benefit me from 3.5 to 4in exhaust right now am running 3in downpipe to 2.5 exhaust

May 29, 2014 | 07:01 AM

weiRtech

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From: Burlington, Ont., Canada

Re: 3.5 vs 4 in downpipe

i'd replace the 2.5" exhaust first. that is going to be a bigger choke point than your downpipe.

aaron

May 29, 2014 | 09:06 AM

that-guy

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Re: 3.5 vs 4 in downpipe

what size turbo and on what motor? 3" is fine for most street turbo's, but best to keep 3" through the whole system instead of downsizing after the DP

May 29, 2014 | 09:56 AM

a267mm

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From: miami

Re: 3.5 vs 4 in downpipe

vr6 24v 2.8 with a 6265

i got car like that i just wanted to redo my exhaust system again but just wanted to spend money once

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