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      08-10-2009, 12:43 PM   #6
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Imran@Evolve's Avatar
United Kingdom

Drives: E60 M5, E92 M3, E46 M3
Join Date: Jun 2008
Location: Bedfordshire UK

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Originally Posted by niqui View Post
nice, but i would assume the gains decrease significantly if the car already has a highflow exhaust?
You are absolutely correct. We tested the intake system with a full Akrapovic system on M3poster Donbona's M3 and it made an additional 5 BHP. I will post up to dyno graphs shortly.

Edited to add: Donbona's car already had a BMC drop in filter.

Last edited by Imran@Evolve; 08-12-2009 at 07:40 AM. Reason: adding information