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      06-20-2013, 08:37 PM   #22
FormulaMMM
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Drives: E90 M3
Join Date: Oct 2011
Location: Midwest

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Crazy results. My impression was that there were negligible gains to be had catless over Akra mid (or high flow equivalent), and dyno tests confirmed as much. Guess they were using the wrong catless x pipes for comparison testing?
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DCT E90 M3 (stock), M4 GTS, Camaro Z/28. Past: Akrapovic Evolution, KW Clubsport, Stoptech ST-40 + Pagid RS29 | Apex EC-7 18x10 ET25 + Nitto NT01 275 35 18, Velos Designwerks Tune, Megan Racing Catback, Macht Schnell Filter