Quote:
Originally Posted by krashkrieger
I have a 2013 F12 coupe with 76,000 miles as my daily driver in Southern California. I installed the Racechip Ultimate at 55k. I have zero problems with it run 91 octane and met the guys at the Sema show from racechip they claim 150hp. Honestly I have no idea how much more power but it is a noticeable difference with no error codes. Stock feel slow now. Well I should say I got a drivetrain malfunction a few times but once I put new spark plugs in it completely went away. Not an ECU tune but a very nice compromise. Good luck
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How do you like the racechip?