Invidia Gemini Cat-Back Exhaust w/ Titanium Tips For 17-20 Honda Civic SI Coupe police responder 9L Cummins is the only

9L Cummins is the only system proven to increase fuel economy in all load states "

Note: Must have SunCoast billet flex plate to work with this converter

4C TORQKit (4 frictions)

Exhaust Cover

Each Wicked Wheel 2 from Diesel Site has been tested in multiple wheel configurations of blade numbers

Invidia Gemini Cat-Back Exhaust w/ Titanium Tips For 17-20 Honda Civic SI Coupe police responder 9L Cummins is the onlyThis is Invidia's new high performance Gemini Cat Back Exhaust System for 2017+ Honda Civic Si Coupes. This is a performance oriented exhaust system with triple titanium burnt tips. Designed to increase horsepower while producing an aggressive sound. Features: Includes a total of 3 mufflers and 1 mid pipe resonator Connects all the way to the primary downpipe Exhaust hangers welded onto OEM locations for direct fitment Improves throttle response