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      09-04-2012, 01:01 PM   #34
RPMracing
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2011 BMW 1M  [4.25]
Quote:
Originally Posted by inline.6 View Post
I currently have the HPF 7" and had the huge AA FMIC on my 135i, the thing you should look for is a deep core, 7" preferably if you are fully tuned. And it also depends if you want to keep stock piping for replace it. HPF could offer you both ways and they are very big. Others i would suggest are the ETs 7" and other that have 7" cores for max performance cutting is required.
HPF 7" ... ok... i see is a good intercooler !

Helix, Wagner, HPF, AMS, Forge....