has anyone ever heard of "Hooker Aero Chamber" performance mufflers. i dont know much about them, i was wandering if anyone knew if they were any good. here's the link i found for them:
http://www.thunderracing.com/catalog/?action=vshop&vid=10&pcid=97#top
http://www.thunderracing.com/catalog/?action=vshop&vid=10&pcid=97#top
