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Old 08-18-2006, 06:30 PM
manny manny is offline
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Join Date: Feb 2003
Location: Ontario, Canada
Posts: 3,160
No vehicle that I know of has a " Backpressure Sensor " in the exhaust.
Therefore I can't envision any check-engine light coming on, as you're only reducing ( ever so slightly ) the backpressure.
A little more resonance is about all you can expect.
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