Bimmerfest - BMW Forums - View Single Post - removing resonator only??
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Old 06-27-2011, 12:53 PM
clifton2137 clifton2137 is offline
Location: Philadelphia
Join Date: Jun 2011
Posts: 12
Mein Auto: 2006 650i Coupe
Originally Posted by JPEG23 View Post

Their is absolutely no interior noise at any speed and no one would assume this isn't how the car was suppose to sound. Overall - very clean and OEM sound, maybe 10-15% louder than the whisper quite stock setup but at full throttle from the outside it sounds a lot more exotic and high-revving. My x-pipe was installed where the front two resonators were and for better flow the shop used a step up 3" x-pipe(meaning it steps to 3" then back down to 2.25").

H-pipes generally do make deeper sound but aren't quite as good for performance, no one that I have seen has put one on a 6er.

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Sounds good enough for me. I'll give this a try before I go and spend $1000+ on a Magnaflow. Any suggestions on where to get an X-Pipe? Pretty close with my mechanic so I'm sure he could help me out too.
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