Of course you want maximum power and mileage from your truck. But in order to get there the engine has to breathe! The Banks PowerPack optimizes and manages engine airflow from start to finish in one beautifully engineered package. Featuring bolt-on and direct-replacement components, PowerPack greatly enhances horsepower, torque, durability, efficiency as well as that authoratative exhaust sound you want out of your truck. And with Banks longevity is never a concern. Our exhaust systems and TorqueTube manifolds are constructed of top-quality 409 stainless steel providing not only a beautiful and durable finish but also a limited lifetime warranty!