I think it is more suitable for manual tranny cars rather than auto tranny. I used one on my VR4 auto but find the RPMs jumped as high as 9k and suffer rev cut from the stock ECU.
dun try this on open road,dun wan u all ended up upside down.haha
anyway who want to learn i can teach,but u provide ur car and i wont responsible to any damage:X-: :X-: :X-...