bro i am interested in a roller but first i need to know where you are located.also i couldnt see pics of it maybe you might have sum on another site but thats of the least right now.what kinda car are you looking for in thir trade for the stand alone i got 2 cars i can gamble with and do you tune these ecu yourself??rite now i have a setup in the garage to destroy all pistons maybe your expertise can also guide me in the rite way well i appreciate your time.