The Cat-Back systems are designed as direct replacements for the original exhaust, offering improved sound and aesthetics. Multiple configurations are available, allowing the owner to select the desired increase in exhaust volume or a more aggressive tone. Manufactured from 304L aircraft grade stainless steel, these systems are built to withstand harsh conditions. All products are made 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 - MSTIP234: Burnt Titanium GT (round) 100 Exhaust Tip - MSTIP234 Vehicle Compatibility: - 2014-2021 Subaru Impreza STi & WRX STI Saloon / Sedan