HomemadeTurbo - DIY Turbo Forum - Exhaust Size Dilemma.

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HomemadeTurbo - DIY Turbo Forum (https://www.homemadeturbo.com/)

- Forced Induction (https://www.homemadeturbo.com/forced-induction-7/)

- - Exhaust Size Dilemma. (https://www.homemadeturbo.com/forced-induction-7/exhaust-size-dilemma-46581/)

Ravage70

09-24-2005 09:15 AM

Re: Exhaust Size Dilemma.

open downpipe has a nice underwater tone to it but personally the fumes ruin it for me :-X

StanB

09-24-2005 09:20 AM

Re: Exhaust Size Dilemma.

Quote:

Originally Posted by Snafubmx234

My buddy had a 3'' exhaust on his probe (rhb5 too), kept spiking once we put that on to about 10 psi, and this was w/o a boost controller.

I read an article a few weeks ago which stated that, if the exhaust is too big, you'll have boost spikes due to lack of back pressure. You should ask an exhaust Guru to elaborate on this. I would stick to the 2.25" exhaust for that size turbo.

valentino

09-24-2005 11:38 AM

Re: Exhaust Size Dilemma.

i was reading the same. And that these people making 3" and even 4" exhuasts are actually hurting their power

Ravage70

09-24-2005 11:39 AM

Re: Exhaust Size Dilemma.

hurting power???
maybe on na cars

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