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View Full Version : Lag with Perrin Intake around 4k rpms to 4.5k



DjInfamousX
07-18-2011, 12:53 AM
I just installed a used Perrin Intake on my 09 WRX...
Current Mods include SPT CBE and stock DP.

any reason there is a little lag around 4k to 4.5 rpms? otherwise i like it and it sounds like i have a BOV installed.

Whats your guys' input?