1997-2004 Porsche Boxster 986 2.5/2.7/3.2 Resonated Sport Exhaust Headers/Manifolds

Circuit Werks Resonated Sport Headers are high-performance exhaust manifold/header upgrades for Porsche 986 models, providing power gains and improved engine response.

• The description claims gains of 9 whp and 10 ft-lbs of torque.
• The description recommends professional installation and O2 spacers to prevent issues.