different header affect tune?

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Dec 11, 2014 | 11:11 PM

reg_lus

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different header affect tune?

Since my small tube tri y header is all beat up and dented and leaking....and if i switch over to a big tube tri y, would this affect my afr or tune setup?

Dec 14, 2014 | 05:41 AM

OneBadTurboCRV

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Joined: Sep 2007

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From: IN Your Mind

Re: different header affect tune?

Yes it would affect your tune, but only AFR would need to be adjusted most likely.

Dec 14, 2014 | 06:03 AM

blackeg

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From: schooling kids in ny, usa

Re: different header affect tune?

yeah i wouldnt be surprised if it need a few percent fuel moved around in the rpm range.

if you have a vtec car, the crossover may also be in need of moving around