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i i saw a thread a while back someone was running there 07 r6 without the muffler.Is this ok to do?would a powercommander know how to handle no EXUP/o2 sensor? Thanks for your time.remy
 

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DILLIGAF
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i took mine off my 08 and made a little turnout tip on the end of the pipe that comes out my cat. as long as u leave the exup servo in and only take out the wires it will be ok. sounds better too!
 
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