Quote:
Originally Posted by brokeboi
Is it safe to run x-pipe and secondary cat delete without a tune? I 'm only doing these mods because I want the sound, I'm not planning to ever tune the car as I'm not trying to gap Bugattis.
I'm mostly worried about boost creep and the car running lean.
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Since you are in Europe, make sure that your car doesnt have OPF on the secondary.
If you have it, then it will trigger CEL.
Some EU cars OPF are on the midpipe too.
So, youll need to do your homework on that.