This exhaust is great for those who love high - performance cars. Whether you're on daily commutes or racing on the track, it'll make your driving experience better. It's designed for car enthusiasts who own 2023 - 2025 Acura Integra (A - Spec and Base) or 2022 - 2025 Honda Civic Si. The exhaust has a 3 - inch cat - back design and 2.5 - inch dual split rear with CF tips, giving your car a unique look and powerful sound.