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Discussion Starter · #1 ·
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?
 

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You need a tune. You may be running dangerously lean, you have detonation and the ECU is pulling timing in a desperate attempt to save your pistons from assploding. God will kill a kitten every 5 minutes until you get a tune. Think of the kittens...
 

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+1 on the tune.
 

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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?
I am getting the same thing.... going to get accessport and i'll post back with results.
 

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