Unleash the performance and refine the sound of your 8th Generation Honda Civic Si Coupe (FG2 chassis) with the premium Invidia Q300 Cat-Back Exhaust System from Straight Six Imports. The HS06HC2G3S is the ultimate upgrade for enthusiasts seeking a deep, refined sporty tone and significant power gains without excessive drone.

The Q300 line is engineered for optimized exhaust flow, reducing back pressure to deliver measurable increases in horsepower and torque across the power band. It's the perfect balance of performance and daily driving comfort.

Key Performance Features:

• Vehicle Specific Fitment: Designed as a direct bolt-on upgrade for the 2006-2011 Honda Civic Si Coupe (2-door).

• Optimal Piping: Features a performance-maximizing 2.75-inch (70mm) diameter mandrel-bent piping to ensure smooth, unrestricted exhaust flow.

• Premium Construction: Made from high-quality SUS304 Polished Stainless Steel for outstanding durability and corrosion resistance.

• Signature Q300 Muffler: Utilizes a flat-bottom muffler design for improved high-speed aerodynamics and a deep, mellow, non-raspy exhaust note.

• Stylish Tip: Equipped with a 4.33-inch (110mm) Rolled Polished Stainless Steel Tip for a clean, aggressive aesthetic.

• Hardware Included: Comes complete with all necessary gaskets and hardware for a professional, hassle-free installation.

Straight Six Imports is your trusted source for authentic Invidia exhaust systems in Canada. Upgrade your Civic Siwith the best in performance and sound today!