This BORLA® Cat-Backﾙ Exhaust for the "original hot hatch" is a high-performance single mufler system with patented technology that offers more power when you want it, improved fuel economy when you need it. Superior-quality austenitic stainless steel is high on looks and durability yet low on weight, for more spirited driving. Add the BORLA® "sound of power" and aggressive dual 4" polished exhaust tips, and the result is a whole new driving experience. From the design characteristics of the inner cores to the amount of sound-absorbing composite filament, all specifications of BORLA® exhaust systems are tuned on a vehicle-by-vehicle basis for an optimum blend of performance and sound. Combined with an unrivalled Million Mile Warranty, distinctive motorsport styling and easy bolt-on installation, the world's most winning exhaust continues to lead the industry it founded over 30 years ago.