Stainless steel manifold Honda Integra GSR B18B FullRacing

Note: This item fits on B18B engines only!

Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durability i.e. Maximizing Smoothest High Exhaust Air Flow Rate 4-2-1 High Performance Racing Spec.

Design Inlet/ Outlet: 1.50" X 1.75" (4 X Oval Manifold Ports)/ 2.50" Major Piping Diameter: 2.50" O2 Sensor Bung Insertion and Metal Gasket Included TIG Welded CNC Machine Flange Increase High Flow Air.