Audi S4/S5 B8/B8.5 Stainless Steel & Titanium Valved Cat Back Exhaust Available Coupon Code:"M3Parts" (Enter manually at checkout) The system comes with all

The system comes with all necessary hardware for a hassle-free setup

It gives your M the typical racing performance

or nitrous

Titanium 28-34 Days

Audi S4/S5 B8/B8.5 Stainless Steel & Titanium Valved Cat Back Exhaust Available Coupon Code:"M3Parts" (Enter manually at checkout) The system comes with allFits both sport diff and non sport diff models The best sounding, most affordable B8. 5 system has finally arrived. Give your 3. 0L supercharged V6 the best sounding and most durable system out there. The B8. 5 S4 S5 stock system limits your car to its potential in power and sound. This system does not only sound amazing, but it also has performance benefits. Our system allows you to gain 10 15 HP (when tuned) and give you an amazing sound with the