Complete Exhaust System. With these American Racing Headers 2-Inch Long Tube Headers with Catted Mid-Pipe and Pure Thunder Cat-Back Exhaust, you get a complete exhaust system that's designed to unleash the beast in your Charger's engine. Expect increased horsepower and torque, not to mention an accompanying increase in fuel efficiency.Muscle Car Growl. This exhaust system brings out the beast in your engine, letting it growl instead of purr. The deep muscle car sound doesn't come with an annoying cabin drone, so you don't have to make compromises to get the best sound out of your car.Superior Materials and Workmanship. Combining superior materials and exceptional workmanship, the components of this kit are made in the USA using the finest 304 stainless steel. The 200-cell metallic substrate catalytic converters were chosen for durability, while the Pure Thunder mufflers offer the best in exhaust performance.Does Not Require a Retune. Installing this system does not require a retune. But to get the most out of this system, it's still advisable to do so at the soonest possible time.Application. These American Racing Headers 2-Inch Long Tube Headers with Catted Mid-Pipe and Pure Thunder Cat-Back Exhaust will fit all 2015-2023 Dodge Charger HEMI 6.4L models.