zo6 cutouts (QTP) exhaust mod. corvette
my qtp cutouts mod. 2003 zo6 w/cam, no cats, headers, ti.
Varex remote control muffler.
Ignition DVD takes a look at the new noise reducing muffler from X-Force Exhaust.
loud pipes falfa's sound control exhaust
chevy 350 single turbo 4.3 inch Exhaust with sound control by falfa
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.