Audi's S5 and S4 have a long history of motorsport heritage featured in some of the harshest racing conditions there is. The MBRP 2.5-Inch, Cat-Back, Quad Rear Exit exhaust system not only sounds great but looks amazing with its motorsport-inspired tips made from T304 Stainless Steel and lightweight Carbon Fiber.

Adding in a 24% flow increase over stock means that your S5 or S4 will be breathing and performing better than ever. This is a non-active system that eliminates the use of exhaust valves while ensuring there are no warning lights showing on the dash.

Available in the Armor Pro series means you get a Lifetime Warranty with this exhaust so you can easily bolt it on and rip it with no worries! So whether you have the S5 coupe or the S4 sedan, you can enjoy the same great sound, performance, and looks from MBRP that you've come to know and love.

System Overview and Sound: