Quote:
Originally Posted by DuncanR
After track day at Bedford last Saturday where I got pulled for ALMOST pinging the sound monitor at end of back straight, I would be loathe to put anything else on it, as it would appear that the options make it sound better, but i dont know if sound better also means louder...comments please ? After returning to pits and being checked I was allowed out again.
For info my reading at the stationary check was 80dB taken @ 4500 rpm.
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At Brands yesterday, my CSL's reading @ 70% RPM (5500 RPM) was 89 dB. That's with a standard O.E. CSL back box (different to a regular E46 M3 back box) but the Supersprint 100 cell cats + Stainless Steel mid section must have been liberating some of the sound. It's still very purposeful in action but relaxing and quiet on motorways and I can enjoy the induction noise more

I wonder what would have been if I left the light weight MK2 MILLTEK back box on ?!?!
IMHO, the louder the better is a "No! No!" ... my MILLTEK is proof of that.