invest in a dog box and an ecu that has ignition cut, then you can safely flat shift. for the sake of .1 of a sec i know id rather quick shift normally and know that ill be at the track next week with a golden box. if your running 15, 14, 13 even 12's, whats the point!
when your running consistent 14.0's & u want a 13,worked for me
Originally Posted by EGB18CT
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