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Exhaust size advice

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Old 01-01-2012, 09:59 PM
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Default Exhaust size advice

So I need a bit of guidance please.

Current setup is 1 3/4" eBay longtubes with a 2.5" y, into a single 3". Would it be worth it to hack off the y merge and put a dual 2.5 -> 3.5" pipe flow master merge? Current merge is nice, but is the size holding me back?


How much would I really gain with a 1 7/8" header, 3" y to a 4" cat back?
Old 01-02-2012, 05:33 AM
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From everything I've read, I don't think it would hold you back until you get 75-100 more rwhp.




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