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Ok as im about 2 weeks away from buying set of TWM's this thread couldnt have come at a better time, and hence I have some questions. I know high butterlies are good for high RPM race engines but what about street motors? will driveability be poor with the high butterflies? Will high butterflies cause any issues using a MAP sensor based FI system? and do these intakes come with vacume ports for such sensors?
Thanks Steve
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