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Re: Running an open downpipe?
The rear o2 just lets the ECU know that the cat is working. Has no control over fuel or timing. Also a turbo car does not need to have any "back pressure", the turbine in the exhaust is enough.
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98 Eclipse GS Turbo
Megasquirt 2 - Holset HY35 Turbo - Built motor - P&P Head and Intake - 3" Turbo back - FMIC - Greddy RZ BOV - Walbro 255 - Aeromotive AFPR - 650cc Injectors - Fidanza Flywheel - Zoom clutch - 13" Cobra Front Brakes - AEM WB - Devilsown meth injection - 3.55 Final Drive gear ratio
1981 Chevy Scottsdale
1987 Nissan 300zx - Chump Car
2001 BMW 325i - DD
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