QTP Electric Cut-Out LS1
"Closed to Open" action on a 470hp SS Camaro with a single 3" QTP
Cutout between the Y-Pipe and the Magnaflow dual port.
2004 wrx sti electric cut out dmh performance
loud pipes falfa's sound control exhaust
chevy 350 single turbo 4.3 inch Exhaust with sound control by falfa
Doug's Electric Exhaust Cutouts
Operation of the electric cutouts on my 1970 GTO