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DDDD DDDD is offline
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Join Date: Jan 2007
Posts: 1,077
All 930s backfire continuously when you let off the throttle at high rpms, if you still have CIS. The more open your exhaust is, the more you can hear it distinctly.

Just make sure you are running a rich enough AFR so that you are not in risk of detonation.
Old 08-26-2007, 06:45 PM
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