friend of mine works for a performance shop and get it thru them.its a somenthing like jet........ its been like a 1-1/2 yrs since was install.and they dyno tuned the X,withc is better responce on wide open thr.u can tell the differends,b4 and after.ill try to find my resets for the prog.and lett u now the brand,good luck and be safe.