Quote:
Originally Posted by bluem2
Hi all,
I currently have fabspeed sports cat and remus catback exhaust with BMC drop in filter on my N55 M2.
I m considering to replace the oem boost and charge pipes as the charge pipe has already failed once on me. Once I install the boost and charge pipes will I be required to have a tune? or keeping the factory tune is suffice?
sorry as I am a novice at this field
thanks in advance
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The answer is, no.
The only thing you have listed that makes any appreciable difference is the sport cat, and you don't need a tune for that at all. The exhaust and charge pipe make no difference whatsoever.
Having said that, as stated above, you can certainly benefit from a tune without any mods at all, and even more because of your sport cat. I'd hold off on the tune until you get the charge pipe though, just to be safe.
Lastly, Stage 1 is where you're going to want to be without an intercooler. You CAN run Stage 2 without an intercooler, but most suggest not to.