Ultimate Racing E60 535i Downpipes

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09-04-2007, 05:59 AM

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Quote:

Originally Posted by arcticT' post='464928' date='Sep 1 2007, 09:44 PM

I was wondering the same thing as far as codes go. I assume you would need some sort of O2 simulators for the cat-less pipes.

Originally, we had no plans to make catless downpipes as we figured they would trigger a CEL immediately. We only made them as people requested them. We have only about a week's worth of driving on our catless downpipes...no CEL so far. However, we feel it is only a matter of time before one is received. A simple OBD2 code reader should work to erase these codes.

Darryl
www.ultimate-racing.com