Porsche 981 GT4/Spider Exhaust Racing Headers side muffler bypass Ardent will not be held

Ardent will not be held responsible for any damage from installation or held accountable for laws violated while using this product

Our design helps equalize each cylinder's exhaust pulses for better exhaust scavenging and consistent exhaust temperatures

Ardent Custom Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified and not EPA certified

and federals laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation

Our header design helps reduce exhaust restriction and temperatures for increased overall power while improving the header integrity

Porsche 981 GT4/Spider Exhaust Racing Headers side muffler bypass Ardent will not be heldPerformance Perfection Redefined. The Porsche 981 GT4 is one of the greatest modern day mid engine cars on the road and racetrack. We produced 453HP at the crank using these headers and a tuned plenum! The tried and true Flat 6 power plant has proven itself as a bulletproof platform for modern day endurance race cars. The GT4 is not just a "car" that is driven from point A to point B, but a machine that is often pushed to its limits on twisty mountain