Porsche 991 GT3 Exhaust Headers

Performance - Perfection Redefined. The Porsche 991 GT3/RS is one of the greatest modern day supercars on the road and racetrack. The tried and true Flat-6 power plant has proven itself as a bulletproof platform for modern day endurance race cars. Ardent's headers are designed to maximize the potential of the GT3 engine while significant increasing power using superior hardware and more precise engine software calibration. Unsurpassed Quality, Fitment, Performance and Sound... Made in Arizona. When we set out to build the finest header system for the Porsche 991 GT3 models, we had a monumental task in order to create something better than what Porsche developed. We determined the shortcomings of the OEM system and made significant improvements to the exhaust flow characteristics. Our design helps equalize each cylinder's exhaust pulses for better exhaust scavenging and consistent exhaust temperatures. Additionally, we paid close attention to the exhaust flow into the catalyst which has