Quote:
Originally Posted by snowmuch
Just just a simple tune you will get a huge amount of toque increase.
I've also had a F82 M4 with stage one ECU, but for daily I think it should be enough.
With a resonator delete you will get the sound you like.
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Mind me asking what you’ve done to exhaust exactly? Lol... I hate how quiet my 7 is. Need some noise to make me smile