i am going to be installing a 14b turbo on my car by the end of the year and i am tryin to decide what to do as far as the exhaust is concerned. i will be getting a 2.5" test pipe from xtremers and i would like replace my muffler as well. i was thinking about getting a greddy evo catback but im not sure if i should get 2.5" or 3". i know 3" is usually better for boost but i will only be running 7 or 8psi till i rebuild the engine and even then i probably wont bring it above 12psi. would 2.5" be fine or should i stick with a 3"?

www.gregsorrells.com

http://ubanimator.com>

why would you want to waste time and money? do it right the first time.

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'95 Eclipse TurboGS (garage deco)
'95 TSi AWD (restoring a survivor)
'97 Talon ESi-T (poor impulse control)
'99 Eclipse RS-T (daily beater)
'13 Evo X (mostly stock)
'17 Sienna (Middle Aged Dad Mobile)



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If you are gonan buy exhaust might as well make it 3in, why do 2.5 when you can have 3in.

Work in progress
98 GS t3/t04e, hrc Sidemount, tial 38mm, HKS ssq bov, clutchmaster stage 4, wiseco pistons, Eagle rods, Apexi TT, HKS EVC II, Phantom grip lsd, 3in turbo back, Eibach pro-kit, Defi D-gauge EGT,boost, autometer fuel pressure
8-inj setup in the works, HKS AIC III and 450cc injectors

3inch= spool go fast..

Steve-o
Top secret.

Originally posted by FlyinEsi
I guess I'll just have to live with a 500+ hp AWD 4-banger.

thats what i figured, just thought i would check with the experts to make sure beforehand. dont wannt spend 500 bucks just to redo it in the future. thanks for the help everyone.

www.gregsorrells.com

http://ubanimator.com>