need help 07gt v8 cat converter removed

biljeek

New Member
Oct 1, 2009
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hi all

cat removed with mid x pipe and magnaflow catback

i am facing a slight problem after i removed my cat converter, the issue is every time i push the clutch while stopping or down shifting the RPM goes under 5 for few seconds then goes to idle and some time this cause turn the engine off, this also happening when i rev the car while stopping.

do i need to tune my car with SCT tuner? is the tuner gonna solve my issue?
 
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You definitely need a tune to cut off the oxygen sensors and tune the engine. If I were you, I wouldn't even drive the car:no telling what the sensors are telling the engine. I'm actually surprised it runs at all; probably in limp home mode.
 
+1 no cats = you need a tune.

In these cars the computer is so sensitive that if you mess with the headers or cats and dramatically change the exhaust characteristics or it'll act up.