50 state legal. When choosing an exhaust system you'relooking for sound, quality, and performance. The new Edge Jammer exhaust does all that with the one design for your truck. Don wonder if the cheaper solutions like aluminized metals are right for you. The new Jammer exhaust is 100% Stainless Steel for longevity of your truck. For all out power, towing improvements, better throttle response, and improved mileage Edge Jammer exhaust system gives your truck that extra improve you need. Jammer exhaust was designed to minimize backpressure giving your motor more clean air. By reducing back pressure you allow the hot air to escape faster reducing exhaust gas temperatures and keep the motor running more efficient. New quality design with Mandrel bends for easy clean install make the Jammer exhaust a breeze to install. Looking for the ultimate package add an Edge performance product and Jammer Cold-Air intake to your truck for the perfect threesome. Stage 2 Performance kits are available as a package deal to save you money when buying all three at once.