Quote:
Originally Posted by M3 Montreal
Slammed... if you now add the AA Xpipe with high flow cat you should hit over 410 whp... Now that is sick !
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haha I know!
That would be awesome...Im working on it!
But honestly, after the ECU - Im reallllly happy with the power in my car for the first time. The pulleys made a huge difference when I first installed them a couple months ago - but the ECU was by far the best mod Ive done (performance wise).
