The aFe Takeda 3-inch to 2.5-inch mandrel-bent 304 stainless steel cat-back exhaust for 2017+ Honda Civic Si (4dr) L4-1.5L (t) improves flow with dual free-flowing mufflers and dual carbon fiber tips. Hand TIG-welded, the system delivers an aggressive tone and is reported to add up to +10 HP and +11 lb-ft of torque while presenting a polished, track-inspired rear exit.
aFe Takeda 3in 304 SS Cat-Back Exhaust System w/ Carbon Tips 2017+ Honda Civic Si (4dr) I4 1.5L (t)