2010 Audi B8 S4 Milltek Non-Resonated Catback Exhaust
Before and after video of the milltek non-resonated catback Exhaust on my B8 S4
2010 Audi S4 vs. 2007 Audi RS4
The Smoking Tire takes two hot Audi's, the 2010 S4 and the 2007 RS4, up into the canyons of Malibu to find out how their newest sport sedan compares to their best sport sedan.
Audi S4 B8 Saloon AWE exhaust LOUD downshifts
http://razzi.me/johnirvine for my high quality photos http://www.facebook.com/IrvineBrothersPhotography - visit and "like" my page for exotic car photos see my videos on http://supercars.tv/jirvine/ Audi S4 B8 Saloon with custom Exhaust LOUD downshifts
Audi S4 v Audi RS4. Does Supercharging Rule? - /CHRIS HARRIS ON CARS
Can REVO Technik make a raggedy old S4 match the gorgeous new RS4? Drag race to find out.