The range of Cat-Back systems is designed for those seeking to enhance exhaust sound and aesthetics. Each system is a direct replacement for the original, with multiple configurations available to allow the owner to select the desired increase in exhaust volume or a more aggressive tone. All products are constructed from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. The performance exhaust systems are developed for a wide range of vehicles, with ongoing research and development to meet evolving performance exhaust needs. All products are manufactured in the UK and distributed to over 90 countries worldwide. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Constructed from 304L aircraft grade stainless steel - Manufactured in the UK and distributed globally Specifications: - Pipe Diameter: 76.20 - Race Product: No - EMarked: No Kit comes with: - MSSUB158: Resonated Front Section - MSSUB169: Connecting Pipe - MSSUB169 - MSSUB170: Y Pipe - MSSUB170 - MSSUB161: LH Rear Silencer Assembly - MSSUB162: RH Rear Silencer Assembly - MSSUB174: Cerakote Black GT (round) 100 Exhaust Tip - MSSUB174 Vehicle Compatibility: - 2014-2021 Subaru Impreza STi & WRX STI Saloon / Sedan