FN2 CTR Exhaust diameter ? - Civinfo
 
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post #1 of 4 (permalink) Old 20th March 2017, 21:31 Thread Starter
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FN2 CTR Exhaust diameter ?

I've recently had a custom stainless exhaust made, I have 2.25 cat back to just running one rear box at the rear , keeping it dual exit again 2.25 inch.

Is this diameter ok for say me running around 220 BHP, reckon with the mods I have this is approx my running figure.

Been looking at other systems for the fn, and there slightly bigger ? Not a lot but bigger, am I ok running 2.25 or should it be bigger ? Like 2.5 at least ?

Thanks in advance
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post #2 of 4 (permalink) Old 20th March 2017, 21:39
250bhp.... finally :)
 
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Bigger is usually better but for 220bhp I can't see it being an issue.

I made that with 2.5" but had a cat too
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post #3 of 4 (permalink) Old 27th April 2017, 14:35
 
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Best performance with 70mm catback.
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post #4 of 4 (permalink) Old 29th April 2017, 08:05
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Its fine. Oem exhaust will support 250 bhp albeit hold back rate your car goes revs but thats a whole other topic.

Im confident oem exhaust would run 255bhp maybe even few bhp more but never got to that stage of testing
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