mike01s4's Aftermarket Filter Testing:
by Mike Shimon (VAST Performance)
Golem: Many people often wonder if an aftermarket air filter system for the Audi S4
would result in substantive improvements over the stock system. Mike was
kind enough to send over a graph of various MAF logs taken with different
aftermarket automobile intakes installed.
K&N Drop-in Air Filter vs. Evo Motorsports Cold Air Intake, stock Audi
ECU

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03/02/02
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