The HKS Legamax Premium Cat Back Exhaust is a top - notch choice for 2015 - 2021 Subaru WRX and STI models. It offers remarkable performance upgrades. Firstly, it boosts horsepower, torque, and sharpens throttle response, while also reducing turbo lag. The 304 stainless - steel construction with 3 - inch piping diameter and smooth bends ensures unobstructed exhaust flow. The quad 3.50 - inch polished tips not only look great but also contribute to its aggressive exhaust sound. What's more, it has exhaust hangers welded to OEM locations for a perfect, no - modification fit. It comes with new gaskets and hardware for easy installation. Plus, it features a 101.6MM silencer and a silent chamber, giving you high - performance without excessive noise.
Using this HKS Legamax exhaust is straightforward. It's a direct bolt - on part, so you can simply attach it to the OEM locations on your 2015 - 2021 Subaru WRX or STI. The included gaskets and hardware make the installation process hassle - free. When it comes to maintenance, it's a good idea to regularly check the exhaust hangers for any signs of wear or looseness. Also, keep an eye on the 304 stainless - steel pipes for any rust or damage. If you notice any issues, get them fixed promptly. As for using it, enjoy the improved power and throttle response, but remember that the aggressive exhaust sound might draw some attention. Just drive safely and within the speed limits.
