I've decided to go with the GTHAUS TYR Stage 1 ECU tune ...
Had them overnight me everything I need for the tune!!
Looking forward to it today ... I'll let you know how it goes!!!
Quote:
Originally Posted by cpiguy
Honestly guys, I have the Meisterschaft system, and it's not very loud, at least in the cabin. It's perfect for me, and for the M5 in my opinion, but definately not as loud as my M3 with Dinan race exhaust or the 458 with stock exhaust. I rate it a 9, especially when you hear it from the outside.
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