If you're going to go with dots go glass, plastic sucks
All they do is make it look different when off, purple when on, and illegal when a cop sees them in California (no cars are allowed blue lights except police). A lot of muscle car and Harley guys used to run them, you don't see them as often anymore though.
www.advlifestyle.com
1971 Camper Special (390 / C6 / D60)
1970 F250 High Boy (NP435 / Dana 24 / No engine, rusted to hell and back body, project to combine with above.)
1966 Rustang (289 / C4 Project stalled for ages)
1989 Jeep Cherokee (4.0 / Auto / D30 / D44 / 35's)
1996 Jeep Cherokee (4.0 / Auto / D30 / D35)