01-04, 05-07 Sti, 06-07 WRX GD Cold air intake system

SPEED PRO COLD AIR INTAKE SYSTEM WITH MR TECHNOLOGY (SP)

Innovative tri-step function ensures highest power gains within safe factory air/fuel ratiosAll feature Injen patented MR technology -- dyno-proven performance with Injen's all-wheel-drive DynoJetLimited lifetime warrantyPrecision designed for best fit and maximum performance. Everything, including the dimensions and pleats of the velocity filter, is engineered for power and performance. Made of 6061 T-6 aluminum alloy and high temperature composite materials. Includes CNC machined adapter, stainless-steel badging, silicone vacuum hoses, reinforced couplers/straight hoses and stainless steel clamps.

* Replaces older part# RD1200

* All mounting hardware and detailed instruction manual included for easy installation