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Today was the first chance I have worked on and driven a stock S85 since buying and modifying my M5. When you add a part or two at a time, it's hard to notice a big difference in power. Anyway, I drove a stock M6 today at work. Felt good, pulled pretty hard, but I knew mine was stronger. So, tonight, a buddy and I headed out to get a beer. Got the oil good and warmed up and went wide open several times. All I can say is wow! The intake, exhaust, and pulley I put on make a huge difference. Mine pulls so much harder in the mid range and top end.

Up next is an Evolve tune...
 

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What intake? People say its hard to notice the difference from a pulley, but the freed up horsepower is there!
 
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