Help me for my exhaust

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Jun 16, 2004 | 07:26 AM

oz`Vtec

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Joined: Nov 2003

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Help me for my exhaust

I have civic Si B16a2 and i put on t3/t4 turbo but i dont know down pipe size and exhaust size ?

Jun 16, 2004 | 08:10 AM

sway892

Joined: Nov 2002

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From: Race Central,, Philly

Re: Help me for my exhaust (oz`Vtec)

everyone says bigger is better, but if you're running stock internals like me, you can't go wrong with 2.5" piping all the way

Jun 16, 2004 | 08:26 AM

oz`Vtec

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i have forged piston and Rods

Jun 16, 2004 | 08:35 AM

11psiTurboSI

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From: Minnesota

Re: (oz`Vtec)

Lower boost levels I would stay with 2.5inch all the way, but anything more then like 10psi I'd go with 2.5 to 3inch or 3inch all the way!

Jun 16, 2004 | 08:53 AM

turbo-ek

Joined: Jun 2004

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From: plano, tx

Re: Help me for my exhaust (oz`Vtec)

3 inch all the way

Jun 16, 2004 | 09:26 AM

bluebullet

Honda-Tech Member

Joined: Apr 2002

Posts: 1,661

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From: USA

you can go 2.5" dp then 3" from there back. Most 3" dp will not allow you to use AC.

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