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Actually your car with a race muffler is pretty much stock since there is nearly 0 hp gain from that but the 911 removing the cats is a massive horsepower gain especially on a turbocharged car so that is very impressive
 

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Must have been upwards of 160mph considering how many gear changes there were.
 

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Faith in the M6 restored. Thanks for the upload.

:cheers:
 

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this is awesome!!!!
 

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2016 750i, 2010 M6
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Discussion Starter #10 (Edited)
Guys the porshe owner modded his car, tune and increase boost to 1.1 bar + remove the cats.

Also i have order ess tune and soon i will get the cable to flash it. I already installed the following: bmc filters , rpi air scoop and power agency pulley. We will give it another try after both cars now modded.

I am out of the country probably we will do the race after 1 week
 

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awesome race :)
 
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