L'aunsport WRC P555 cat back exhaust
Found this old GoPro video I had....sadly I no longer have this car....
L'aunsport WRC P555 cat back exhaust
2004 USDM WRX w/JDM STI EJ207 twinscroll swap
:00-:34 start up idle and blips
:35-1:04 backing out driveway
1:05-1:33 normal cruising
1:34-1:53 wide open throttle
1:54-2:10 operating launch control