How and why do you adjust the TPS? I'm assuming TPS is short for throttle position sensor.I received mine last week, and installed it today. I installed the T.R.E., adjusted my idle (to about 1250, was at about 900 and would occasionally stall), and lowered my TPS (to about 1600). My bike is performing SOOOOOOO much better! It did take about a week from order time till it shipped, but super happy about the product. Worth the wait.