HKS Hi-Power Cat Back Exhaust Honda Civic Si Sedan (FC) 2017-2021 | 31006-BH002 vendor_PIAA *Image for display purposes only

*Image for display purposes only

This oil cooler kit increases overall oil capacity by

Part #: PBR916

Improved throttle response and power delivery

Adjust your BOV venting bias electronically on-the-fly

HKS Hi-Power Cat Back Exhaust Honda Civic Si Sedan (FC) 2017-2021 | 31006-BH002 vendor_PIAA *Image for display purposes onlyFitment Information: 2017 2021 Honda Civic SI Sedan Features: Improves horsepower, torque, and throttle response Increases exhaust flow and power over stock Loud and aggressive exhaust tone Material: SUS304 Stainless Steel Piping Diameter: 65mm 60mm (2. 56 2. 36 inches) Dual Tip Diameter: 97mm (3. 82 inches) Gaskets and Hardware for installation included This HKS Hi Power Exhaust comes with a 65mm large diameter pipe and full straight structure reduce