• i dont even know where to begin , i am just so happy with my setup, Mark at 911 tuning is simply the man . his customer service is second to non !!! the craftmanship on his products is incredible , the car simply rips !!!i would absolutely recomend 911 tuning to any true enthusiast !
    Nick
  • Mark the car is scary fast,i mean FAST. I never,ever been in a car that fast not to say driving it. BUT now the car flies, it flies FAST. I get the speed almost half way it took me before. It is incredible what you have done for me and my car, I am very greatfull to you.
    THANK YOU VERY MUCH MARK
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