Is there a good exhaust (cat back) that is light and adds a bit of sound without being to loud?
Need to still be able to make 90db sound limit days at Laguna Seca Raceway
This thread might not have the answer, but it is an interesting read.
http://www.bimmerforums.com/forum/sh...-Exhaust-Guide
04M3 TiAg 69k slick-top 3 pedal
99M3 Cosmos 61k S50B32 euro 6Spd
88M3 AW 43k miles Project FS
WTB: 3.5" Eurosport/Conforti CAI
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