Ok, it was a tough decision to start drilling into my Supras well maintained body, but it became apparent to me that to be more competitive in autocross, I would need some aero aids (at least that's what everyone was telling me). So, here I have my first versions of a front splitter, made of 1/4" Aluminite (an aluminum wall board material, honeycombed center, sandwiched), and the rear spoiler made of 1/4" abs plastic, 10" tall, limit of the rules. Still just testing for benefits now, will get around to painting the splitter black later, and possibly trimming the rear spoiler too. Maybe won't need all 10" height. Sorry for the ugliness. For now I'm looking for purposefull, later for pretty. Tested the car at autocross with just the front splitter, seemed to turn better, less understeer. Not dramatic, but noticeable. I'm hoping the rear spoiler will add some stability in high speed sweepers. Big thanks to Frank C. for idea/design of the front splitter. He used abs plastic for his, which I think is better for daily use, but mine is mostly autocross duty, and extends out to far edge of the bumper, so it won't see normal street usage. Can't wait for the next autox to try this out.