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Anyone in the Houston area have an RPI GTS system on an E60 M5 (mine is an '07)? Getting springs, pulley, and tune done 4/18 and would like to get the exhaust done at the same time. Seems as though everyone with this is pretty happy with the exhaust as well as RPI. But would like to hear it before I fork over 3K and end up not liking it. I'm outta the house at 5:15AM to head to work so don't want something that will irritate my neighbors more that I already do. Saw the note about C&C tomorrow. Definitely not sold on the RPI so if some people are showing up with other systems (full or just axle back) let me know. Would definitely be interested. Thanks.
Mickey
Mickey