This HKS Legamax cat - back exhaust system is a perfect fit for the 2009 - 2021 Nissan GT - R. Crafted with top - notch materials and state - of - the - art machines, it not only looks awesome but also operates quietly, just 1db louder than the stock exhaust. It outperforms the stock system in every aspect. Designed with performance as the key focus, it has been meticulously developed and tested to maximize the GT - R's potential. The 3' full mandrel - bent 304 stainless steel piping gives the already uniquely - sounding GT - R an aggressive and standout tone without annoying droning. It's a direct - bolt - on system, requiring no modifications for installation. Key features include: boosting both horsepower and torque, improving throttle response with less turbo lag, creating an aggressive exhaust note, being made of 304 stainless steel, having 3' inch piping leading to the muffler, quad burnt titanium exhaust tips with a 4.75' inch round tip size, and coming with new gaskets and hardware for installation.
Using this HKS Legamax exhaust system is easy. It's a direct - bolt - on, so you can simply replace your old exhaust with this one. Just follow the included instructions and use the provided gaskets and hardware. When installing, make sure the connections are tight to prevent any leaks. As for maintenance, regularly check the exhaust system for any signs of damage or loose parts. If you notice any scratches or dents on the stainless steel or the exhaust tips, you can clean them gently with a mild cleaner. Avoid using harsh chemicals as they might damage the finish. During the winter or in areas with a lot of road salt, it's a good idea to rinse the exhaust system with water to prevent rust. Also, if you hear any unusual noises from the exhaust, it might be a sign of a problem, so have it checked out by a professional.
