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      10-15-2012, 07:53 PM   #269
M3 Montreal
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Drives: 2012 M3 SG ,DCT & 2011 S4
Join Date: Oct 2008
Location: Montreal , Canada

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Yeah NA engines require a lot of mods for smaller gains.

On my old E92 M3 I added 55 whp (most stock M3's dyno at 345 whp on a wheel hub dyno) which got
Me to a tad over 400 whp by doing header back catless exhaust, pulley and ECU tune mated to catless system.

Turbos are fun but once you've gotten used to a fast responding engine like the M3's I just can't stand any form of lag anymore when I drive a forced induction car.
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2012 E92-M3 Space Grey on Fox Red, DCT

2011 B8 S4 S-Tronic , Black on magma red