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How big should I go? Exhaust...

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Old Apr 5, 2003 | 11:54 PM
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fOmaNPu's Avatar
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From: Show Me State
Default How big should I go? Exhaust...

I have a JDM B16A and I plan on doing alot of N/A tuning in the future, but next on the list is exhaust.

Should I go 2.25in or 2.5in exhaust?
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Old Apr 6, 2003 | 07:02 AM
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From: andrews afb, md, usa
Default Re: How big should I go? Exhaust... (fOmaNPu)

I have been told many diff things on this subject. Some ppl say that every 100hp requires 1inch of diameter ie 200hp=2inch pipe. However Ive also been told that 1.5 to 1.6L engines should have 2.25 inch pipe and 1.8 to 2.0 should have 2.5 inch pipe. If i were you and you are staying N/A I would go with 2.25 it will be good.
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Old Apr 6, 2003 | 10:26 AM
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Default Re: How big should I go? Exhaust... (fOmaNPu)

If you've got big plans for your engine (like high compression and cams) go with the 2.5" exhaust. If you plan on sticking with the basic bolt-ons, go with the 2.25" exhaust.
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Old Apr 6, 2003 | 10:57 AM
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Default Re: How big should I go? Exhaust... (joe_bocc)

If you've got big plans for your engine (like high compression and cams) go with the 2.5" exhaust. If you plan on sticking with the basic bolt-ons, go with the 2.25" exhaust.

Thats what I plan on doing, I guess I'll get this 2.5 in since I'll be pushing alot of air for a non turbo, anyone else wanna chime in?
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