The Milltek Sport Secondary Cat-Back systems replace all OEM exhaust components located after the secondary catalyst. These systems are designed for those seeking to enhance both sound and aesthetics. Each system is a direct replacement for the original exhaust and is available in multiple configurations, allowing the owner to select the desired increase in exhaust volume or a more aggressive tone. All products are manufactured from 304L 'Aircraft' Grade stainless steel, ensuring durability in harsh conditions. - Direct replacement for the original exhaust system - Available in multiple configurations for sound customization - Constructed from 304L 'Aircraft' Grade stainless steel - Designed for durability in harsh conditions Specifications: - Pipe Diameter: 63.50 - Race Product: No Kit comes with: - MSSUB166R: Centre Silencer Delete Pipe - MSSUB166R - MSSUB167: Rear Silencer (no tips) - MSSUB167 - MSSUB168: Silencer Outlet Pipes - MSSUB168 - MSTIP137: Polished GT (round) 115 Exhaust Tip, Standard - MSTIP137 Vehicle Compatibility: - 2012-2016 Scion FR-S 2.0-litre - 2012-2021 Subaru BRZ 2.0-litre - 2022 and later Subaru BRZ 2.4-litre