Quote:
Originally Posted by SteveMD
Well then use 20%. You are arguing against your own position. That would put me at 562HP which is doubtful.
I didn't get the M for financial reasons. I test drove two and then a 2013 50i that had the 450HP engine and figured the difference wasn't worth it, for me. You may feel different.
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how about the catted aftermarket DPs, more power? louder? took off my non catted because It was crazy loud but it did make noticeable more power with the tune