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      10-11-2019, 03:01 PM   #5
CoffeeBean
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Drives: 640i M-Sport GC
Join Date: Aug 2012
Location: AL

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Quote:
Originally Posted by TheGoodTheBadTheUgly View Post
Now imagine pumping the RPMs level where serious boost builds. This means you will be using the car at levels of RPM that will be on average higher than what you would have rolled with Stage 1. More revolutions per minute which means a higher flow of exhaust gases. A higher flow will require bigger piping in order to allow minimum backpressure and to reduce restrictions to a minimal point.
Yeah that's true, I never thought of it that way. I'd say Stage 2+ is kind of a blend of 1+ and 2, with a little extra boost. Still no way anyone is getting far with the stock intercooler on stage 2 though.
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