BBK 40520 1-1/2 Shorty Exhaust Header Polished Silver Ceramic for 1991-1999 Jeep Cherokee Wrangler 4.0FEATURES: Significant Horsepower and Torque Increase Over Stock 1 1 2" Primaries for Maximum Low End Torque 16 Gauge CNC Mandrel Bent Steel Tubing and 3 8" Thick Flanges Direct Bolt On for Easy Installation Gaskets and Collector Hardware Included Gasket designed to replace exhaust manifold only without removing the intake. Just remove the manifold cut away the old exhaust gasket and install. Polished Silver Ceramic Finish VEHICLE FITMENT: 1991 1999