Porsche 981 GT4/Spider Exhaust Racing Headers side muffler bypass Custom designed chambered exhaust w/

Custom designed chambered exhaust w/ Pierberg bypass flaps

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

It is quieter than the track use system and is street / emissions legal

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

304 Stainless Steel

Porsche 981 GT4/Spider Exhaust Racing Headers side muffler bypass Custom designed chambered exhaust w/Performance 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