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Old 08-02-2011, 08:45 AM
Gian124 Gian124 is offline
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Location: NJ
 
Join Date: Aug 2011
Posts: 1
Mein Auto: 2008 M6
Great, but expensive!
... was looking to buy one, but $9,529.00 shipped then installation is a bit steep for just the sound with minor performance change. Also, I am curious what the impact of the closed exhaust valves will be on the motor (will the internal exhaust valves in the cylinder head get fouled and caked with carbon due to increased backpressure?)

Last edited by Gian124; 08-02-2011 at 08:54 AM.
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