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To address the M4's shortcomings, add a:
- Performance Exhaust System - improve sound & reduce weight - Why are reviewers making such a big deal about the 'sound'!!!
- ECU upgrade - More power
- Lightweight Flywheel - Sharper throttle response - I'm sure a tuner will make one for the new M4 one day
- Lightweight Battery - Slightly lower weight in the front end - Drop 30lb or so
- Lowering Springs or Coil overs
- Race Brake Pads
Then figure out how to switch off the artificial sound through the speakers. Job done!
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