aFe 2017-2021 Honda Civic Si Sedan 1.5T Exhaust System

Fits all 2017-2021 Civic Si Sedan ONLY
Fits all variant models including 6MT, RHD, International Models, Etc.

Unleash performance gains of up to +10 HP and +11 lbs. x ft. torque with aFe’s Takeda 3”-2 ½” mandrel bent, 304 stainless steel cat-back exhaust system for your 2017 - 2018 Honda Civic Si Sedan with I4-1.5L (t) engine. This exhaust system is 100% hand TIG-welded by certified craftsmen for race proven strength and durability and designed with dual, free-flowing 304 stainless steel mufflers to improve performance across the power band while maintaining an aggressive tone and long lasting, good looks. Finished with dual 4-3/4" X 4-1/4" oval polished stainless steel tips and etched with Takeda brand logos gives the Civic Si a stylish, custom appearance.

Technical Notes:

In testing, the cat-back exhaust system resulted in gains up to +10 horsepower and +11 lbs. x ft. of torque, as measured on our in-house dyno. Dual, free-flowing, 304 stainless steel mufflers are used to absorb high pitch tones producing a powerful sound and unleashing more horsepower and torque potential.

This dual rear-exit system features 4-3/4" X 4-1/4" oval black, angle-cut, stainless steel exhaust tips w/ laser-etched Takeda logo for a custom appearance. This Takeda exhaust system uses all factory mounting locations providing stability and a hassle-free installation. OE-style bayonet hangers are used to maintain a stable pipe location during any driving conditions. The bayonet tip holds the hanger bushing in place for an OE style, long lasting fit.