Seller notes

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 muffler s to improve performance across the power band while maintaining an aggressive tone and long lasting, good l...

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