Audi R8 5.2 V10 Gen 1 (Facelift) (13-15) Valved Cat Back Performance Exhaust Fitment Option:Exhaust Only and is produced from Corus

and is produced from Corus steel billets

"Building on an existing first class reputation in the BMW tuning market

BMW 3 Series (G20/G21) - 318i

The brief spec of the exhaust is

Single parts finely balanced then components assembled and core high-speed VSR balanced

Audi R8 5.2 V10 Gen 1 (Facelift) (13-15) Valved Cat Back Performance Exhaust Fitment Option:Exhaust Only and is produced from CorusCobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. This Audi R8 performance exhaust is made in stainless steel pipework and replaces the rear section from the catalysts backwards. Please Note This performance exhaust retains the use of exhaust vacuum valves. The valves open and close depending on the vehicle's selected drive mode as with the standard exhaust system. This