The aFe Takeda 3-inch 304 stainless steel cat-back exhaust for the 2017 Honda Civic Si (1.5L turbo) uses mandrel-bent tubing and dual free-flowing mufflers to improve flow and deliver a deeper, aggressive tone. Hand TIG-welded construction, dual polished oval tips and Takeda branding are included to upgrade both performance feel and appearance. The description cites potential gains up to +10 HP and +11 lb-ft of torque as the system’s marketed improvements.
aFe Takeda 3in 304 SS Cat-Back Exhaust System w/ Polished Tips 2017 Honda Civic Si I4 1.5L (t)