Porsche 928 S4 Sound
A quick video of the exhaust on Porsche 928 S4. Nothing crazy - I didn't want to wake the neighbours up! ;)
Porsche 928 S4 RMB sound
Porsche 928 S4 -90 rear muffler bypass sound. 320+ hp
Porsche 928 S4 sound exaust revving
Porsche 928 GT, amГ©ricaine qui fait une musique magnifique ! 192695.aceboard.net flav9ii.free.fr
Cornish Porsche 928 S4 exhaust sound
Cold start up from my Porsche 928 S4, with a dinky burnout.
Porsche 928 S4
Porsche 928 S4 1987 marketing video