Audi S4/S5 B9 Stainless Steel Valved Cat Back Exhaust suspension We recommend to combine this

We recommend to combine this kit with our anti-roll bar links and a track optimized suspension

upgrade HPFP and no gasoline particulate filter

a lighter overall weight compared to the OEM exhaust

just pop your old one out and replace it

Supported Adapters / Cables (available separately):

Audi S4/S5 B9 Stainless Steel Valved Cat Back Exhaust suspension We recommend to combine thisFirst ever full titanium exhaust for Audi S4 S5. We have finally released an Audi B9 system that will clear the sport differential without having any fitment issues. Our new B9 system has a new style mid pipe, the mid pipe goes down into one single larger diameter piping that routes past the sport differential without compromising any power loss. The best sounding, most affordable B9 system has finally arrived. Give your 3. 0L Turbocharged V6 the best