Quote:
Originally Posted by amhobbs
Hi Guys,
Just did mine this Sunday.
I filmed the whole process and you can see it here:
http://audittrs.wordpress.com/tuning-bmw-m3-e92/.
I did the iPhone dB comparison with an Eisenmann Race Exhaust. His is louder, but for the cost ,I much prefer mine! 
Let me know your thoughts,
Andre |
So you only replace one of the perforated pipes on each side? I know some people are doing both.
BTW, my name is Andre too. How weird
