the jrsc is a pretty good product i have one my self but want to switch over to turbo for more power today i ran a 13.5 on street tires yokohama i like it because its more of a sleeper with the blower. I've had my charger for about 4 years and nothing has gone wrong except the belt going after a long time and the idler pulley froze but they have imporoved it so it wouldnt freze.