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Originally Posted by Horny_Devil ull spool quicker with a smaller exhast but it will limit outright power
unless ur chassing massive numbers go with whats cheaper and what fits |
u got anyhting to back this up?? dyno plots etc etc.. or you just speaking your opinion???
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Originally Posted by Locust2000 I'm usually on the bigger is better after the turbo for the exhaust. However, I had a book from the library late last year I read through about performance tuning FI engines and there were things to be gained from a properly sized exhaust system all the way to the muffler including having the correct diameter meant better spool etc. To actually have those gains though you had to have it all pretty much spot on which means a full custom exhaust. They were also going to the level of having these extra lips on the inside of the headers just after the motor to help cancel reversion.
So yes it can give better spool etc, but it'd be marginal and would have to be thoroughly designed. |
books name and author please
to the two above not trying to be a smart ass, but would genuinely like to see some proof of claims a smaller exhaustw ill increase spool,