Outlet: 2″
O2 Sensor Ports: 2
EGR Ports: 1
Engine: 1.8L R18A1
FIT:

• 06-11 Honda Civic 1.8L
• Does Not fit SI, Hybrid, GX Models
• Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends i.e. Maximizing Smoothest Exhaust Airflow High Performance JDM Racing Design TIG Welded CNC Machine Flange for Strength and Durability Inlet/ Outlet Sizes: 2.5″OD / 1.9″ OD Piping Diameter: 2.5″ O2 Sensor Bung Increase Engine Output and Efficiency Gain 10 – 15 HPs Bolt(s) and Metal Gasket(s) Included Direct Bolt-On Installation, Requires NO Modification 100% Brand New Professional Installer is Highly Recommended (No Instruction Included)