Re: Performance Exhaust.....535iS (archive)
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Posted by Rob Anderson on February 10, 2001 at 20:46:30:
In Reply to: Performance Exhaust.....535iS posted by GF on February 10, 2001 at 17:45:57:
(posted from: 184.charlotte-01rh15rt.nc.dial-access.att.net (12.93.32.184))
Stay with your factory Boysen muffler. They flow more power than you can put out unless you have done some serious mods to the motor. If I remember correctly, the early Euro M635csi came with the same muffler as our cars. While the part numbers aren't the same, the pipes are the same diameter and the muffler and resonator are the same. I have first hand experience with this. And the early M635csi put out 286bhp. If you are putting out more than that, go with the US M5/M6 exhaust which is two 2" pipes that flow easily over 300bhp. Hope this helps in your decision.Rob
M535i SIG Chief Technical Advisor
www.m535i.org
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