12-16 Porsche Cayman/Boxster 981 Resonated Sport Exhaust Header/Manifolds

Circuit Werks Resonated Sport Headers are high-performance exhaust manifold/header upgrades for Porsche 981 models, providing power gains and improved engine response.

• The description claims gains of 9 whp and 10 ft-lbs of torque.
• The description claims improved engine response.