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Originally Posted by SriRamJaiRam
Thanks so much... Really appreciate your input... On a side note...
What are your thoughts about running down pipes w/ the OEM exhaust? Or perhaps also doing a muffler delete w/ the axle back system that Turner sells?
And how do you feel about Carbon brakes for a M5 that's only driven on the street? My guess is that one could not even tell the difference since carbon brakes need lots of heat to work well.
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Regarding the down pipes, hard to say because I haven't seen a car with them. A couple of the guys in our local chapter have them now so I can answer in 2 weeks time. My main hesitations would be (I) warranty, (II) noisy rattle sound from Wastegate, and (iii) cel error.
Muffler delete is probably a good idea. Car is too quiet as is. Best to do muffler delete plus straight pipes.
On the carbon brakes - I like them. The discs are an inch bigger. I haven't measured if that means more braking power but it might be. Need to check the numbers. They are also quieter and cleaner. Squealing is an issue with the standard brakes - some threads on this here. That said, we don't have issues wth brake fade on the streets, so value is not as big as it would be for a track user. In Texas on the f1 track CCB were clearly better, but I don't know if the steel brakes were brand new like the CCBs. Rotor condition and pads come into consideration too. FYI I didn't buy CCB.