RedRock Exhaust Manifold Kit (91-99 4.0L Jeep Wrangler YJ & TJ)

More Power, Better Performance. Improve the power and performance of your YJ or TJ Wrangler with a RedRock Exhaust Manifold/Header Kit. This Header features a tubular design that will increase exhaust flow, when compared to your restrictive stock cast iron manifold.Quality Construction. This RedRock Exhaust Manifold/Header Kit is manufactured from CNC mandrel bent stainless steel tubing for unrestricted airflow. This Header features thick header flanges for additional strength, leak-free performance and a OEM fit. Bolt-on Installation. RedRock engineered their Exhaust Manifold/Header Kit to be a direct bolt-on replacement upgrade. Designed for use with factory or aftermarket exhaust systems, this Kit includes new gaskets and hardware.Application. This RedRock Exhaust Manifold/Header Kit is designed to fit 1991-1999 Jeep Wrangler YJ and TJ models equipped with the 4.0L engine.