2017-2021 Honda Civic Si Sedan FC1 DT-S Exhaust

Enhance the performance and sound of your 2017-2021 Honda Civic Si Sedan (FC1) with the ARK Performance DT-S Exhaust System, engineered for enthusiasts who demand aggressive styling, improved power, and a refined exhaust note. Designed specifically for the 1.5L turbocharged Civic Si platform, this premium cat-back exhaust system delivers increased airflow, improved throttle response, and a bold, sporty presence.

Constructed from high-quality T-304 stainless steel, the ARK DT-S exhaust system offers superior durability and corrosion resistance. Featuring mandrel-bent piping and precision TIG welding, this system reduces back pressure and optimizes exhaust flow to help unlock horsepower and torque gains.

The DT-S exhaust produces a deep, sporty tone under acceleration, while maintaining a comfortable, minimal-drone experience during cruising, making it perfect for both daily driving and spirited performance use. Finished with ARK’s signature burnt or polished exhaust tips, it adds a clean and aggressive look to your Civic Si.

Key Features:

• Direct bolt-on cat-back exhaust system 
• Designed for the 1.5L turbocharged engine
• Dyno-proven horsepower and torque gains
• Premium T-304 stainless steel construction
• Mandrel-bent piping for maximum exhaust flow
• Precision TIG welded for durability and perfect fitment
• Deep, sporty exhaust tone with minimal cabin drone