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      11-07-2008, 05:22 PM   #11
SV Concepts III
Lieutenant General

Drives: BMW Duh
Join Date: Apr 2005
Location: Santa Clara

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aFe is a solid product, never seen a power loss with their replacement filters on the M3. In fact, they are a great and effective way to improve airflow with minimal installation and need for change. I encourage you to drive the car for 200-300 miles to allow the ECU to adjust to the improved air flow before making your claims on the power increase or output. After going over the design with the head engineer and sales manager at aFe at SEMA this past week, I am thoroughly confident in the thought and R&D that has gone into this particular setup. I would not hesitate to put their filter on my own car, in fact, I'll be doing their intake system for my 135.