Thread: Z4 Coupe (E86) Rogue Engineering cat-back exhaust
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Old 02-03-2013, 06:56 PM
dkl dkl is offline
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Join Date: Jul 2004
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Mein Auto: E53 X5, E86 Z4MC
This is a known characteristic of the RE exhaust. RE's description (no drone) of the exhaust is really NOT accurate. Maybe their definition of DRONE is different from everyone.
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