Quote:
Originally Posted by C'sM3
I bought the beast with the Dinan exhaust already installed, so I don't know the difference of weight between the stock and the Dinan exhaust. I don't have a spare tire and I had a little over half a tank of gas when I ran those 1/4 mile numbers. The beast is fully optioned, so there are no weight savings.
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Well the previous owner def cut some weight by ditching the stock exhaust. the stock one is huge compared to aftermarket exhausts.
I am also fully loaded with the additional sound system as well. So your def running a bit lighter than stock. Still have the stock run-flats on that monster? Just trying to figure out where your picking up the power from. i didnt think the exhaust added any and you are definitley the fastest "stock" X5M Ive seen or read about.