Skunk2 Alpha Downpipe Civic Si (2012-2014) Universal - Your SP Series Cold

- Your SP Series Cold Air Intake unleashes your engine's power potential by force-feeding rich oxygen into your cylinders

661 Thickness

K&N does extensive tuning on a dynamometer to maximize horsepower and torque increases

Designed for the non-JCW MINI Cooper S and crafted from machined 6061 billet aluminum

Skunk2 Alpha Downpipe Civic Si (2012-2014) Universal - Your SP Series ColdSkunk2 is proud to announce its all new Alpha Series Header for the 2012 up Civic Si. Patterned after their already popular and dyno proven MegaPower Headers, Skunk2's Alpha Series Header employs many of the same design characteristics and technology. Their decision to produce the Alpha Series Header was driven by a desire to make their race proven design more affordable and accessible to everyday enthusiasts. New manufacturing techniques allow it to