Fitment Information Subaru BRZ (2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020)  Scion FR-S (2013, 2014, 2015, 2016)  Toyota 86 (2017, 2018, 2019, 2020) Emissions Compliance HKS exhaust systems maintain all emissions equipment intact without any alterations, replacements, or modifications. Specs & Features Muffler Shape: HP (Titan) (Hi-Power) Tip Diameter: 97mm V1 - 119m V2 Center Pipe Diameter: 75mm Close Noise Level: Stock: - 86 HKS: - 104 - V1 / 90  - V2 Material: S409 Stainless Steel Improved Performance: Boosts horsepower, torque, and throttle response for better overall performance. Enhanced Exhaust Flow: Increases the flow of exhaust gases, resulting in more power compared to the stock system. Bold Sound: Produces a loud and aggressive exhaust tone, adding to the vehicle's sporty appeal. Easy Installation: Comes with gaskets and hardware needed for installation, making it hassle-free to upgrade Product Description HKS's Hi-Power Muffler blends "High Power & High Performance" with a resonant sound and stylish design. It's ideal for both stock and high-performance vehicles, meeting JASMA standards with upgraded turbines and sound quality. Unlike traditional exhaust systems, HKS's design enhances exhaust efficiency without increasing noise levels, thanks to its unique technology and redesigned silencer structure. The cannonball-shaped tips add a powerful rear view and modern touch, enhancing the appearance for both street and track use. With redesigned flanges and layout, HKS ensures sufficient ground clearance without compromising performance.