Precision Performance Products >> http://www.precision-performance.com/Produ...3&DeptID=12
$249 new .. selling for $100 + shipping .. fits REV chassis 600HO ...
sound clip >> http://www.youtube.com/watch?v=9_fkGX83Ck4 i did it in my garage ... the sound echoed off the concrete floor ... sounds much better than the video ...
backside of can is a bit rough due to a weak spring popping off during a ride ... only cosmetic tho - not noticeable once mounted in sled ..