When it comes to naturally aspirated horsepower and performance numbers, available air flow for your engine in the name of the game. With that in mind, there's no modification piece that improves your engine's air flow, and makes it run more powerfully and efficiently, than a complete set of headers. Each of the header packages we've made available to you are manufactured from the highest quality stainless steel materials, and designed with the Dodge HEMI engine in mind. An installation of headers, with a proper tune, can give as much as 35-50 extra rwhp for the Challenger who wants to put down the most power. Be sure to check them out today, but remember, a tune is recommended with all headers installations.