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ITB's! They are a great setup. the only thing that lets it down is the lack of revs a uk spec 4efe can offer. Even with a modified ecu you get valve float around 6500 so you cant utilise the full power band. If you get the runner and trumpet length correct though you can enjoy it with the standard 6200 limit


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I didnt realise the n/a rev limit was so low ? im not doubting it at all.



my fte revs to like 7,250 stock.



I had a aftermarket cone filter on mine when it was n/a and it worked well. cold airfeed would help efficency.

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