Hands down the best value catted UEL header on the market today for your FR-S, BRZ, GR86, and 86.
This unequal length header integrates a true 4-1 merge collector and an EPA compliant high-flow catalytic converter, delivering strong low-to-mid range power with no more torque dip. Independent dyno testing has shown gains of +28 whp and +14 tq.
Features:
One-piece design, direct bolt-on to the stock manifold location
