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Discussion Starter #1
just got a question about the cosworth Exhaust found on Focussport.com, the 339$ one, i noticed the tip is 2.25", and i understand that unless you've got some serious work done to your engine, anything bigger than 2" will end up dropping your back pressure too much
ending up in a loss of performance, should i bother with it, or look for something else?

thanks, helps appreciated.
 

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Backpressure will not cause a loss in performance. Free flowing exhausts generate the most hp/tq.

I'd say get the Cosworth everything. I'd probably trust them more than any other company when it comes to small liter Ford performance.
 

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^^^^^^yes that is correct!
 

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you heard wrong its not that it hurts performance it is that unless you are FI it is pointless to go higher than 2-2.25. i am waiting for my 100k warrenty to run out but when it does i am installing everyting that i have bought for it. current mileage of 87K parts bought- cosworth d-power stage 1&2, cosworth race exaust, Apexi electronic exaust valve, cosworth flywheel.
 

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Discussion Starter #6
Alright, thanks for the input. cosworth it is.

i appreciate it, guys.
 
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