The aFe Takeda 2.5" 304 stainless steel axle‑back exhaust for 2006–2011 Honda Civic Si L4‑2.0L uses mandrel‑bent tubing, TIG welds and dual high‑flow polished mufflers to improve tone and flow. Testing showed a peak gain of 6 hp and 5 lb‑ft of torque. It installs using factory hanger locations with OE‑style clamps and features a 4" double‑wall slash‑cut Takeda tip for a finished appearance and hassle‑free fitment.
aFe Takeda Exhaust Axle-Back 06-11 Honda Civic Si L4 2.0L 2.5in 304 Stainless Steel