Revel Medallion Ultra Ti Exhaust Installation! 2011 2021 WRX Sedan Revel Medallion Ultra Ti Cat Back Exhaust for Subaru WRX STI Revel Ultra Ti Titanium Single Exit Catback Exhaust for 15 21 WRX STi Invidia 02 07 Subaru WRX STI Racing Titanium tip cat back Exhaust My. Elevate your driving experience with the Revel Medallion Ultra Ti Cat Back Exhaust, meticulously crafted for the Subaru WRX and STI models from 2008 to 2021. This premium exhaust system not only enhances performance but also adds a striking aesthetic to your vehicle. Constructed from high quality titanium for durability and lightweight performance. Features a full 3 inch TIG welded piping for optimal exhaust flow. Single exit design with a stunning 4. 5 inch burnt titanium tip for a bold look. Engineered to reduce weight compared to the factory exhaust system. Includes a silencer baffle for customizable sound levels. This exhaust system is ideal for performance enthusiasts looking to enhance their vehicle's sound and efficiency. Whether you're hitting the track or cruising through the city, the Revel Ultra Ti exhaust delivers a thrilling auditory experience while maintaining a sleek appearance. Details: Fits 2008 2021 Subaru WRX Sedan and 2011 2021 Subaru STI Sedan. Pipe diameter: 76mm (3in). Tip diameter: 115mm (4. 53in).