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      05-03-2013, 11:38 AM   #9
HP Autosport
Supreme Allied Commander
United_States
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

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Quote:
Originally Posted by Jamesons Viggen View Post
Drop in's have never been a power mod, would not be able to differentiate the 1-2whp variance run to run lol.
Here is a good review on the N55 foam high flow air filter with dyno results.
Appreciate 0