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The Snow Performance Stage 2 Boost Cooler for 2005–2014 Subaru WRX STI 2.5L combines a throttle‑body spacer water‑methanol kit with stainless braided line and 4AN fittings for reliable plumbing and installation. The VC‑50 progressive controller proportionally injects by boost with adjustable start and full points, and its 7‑color OLED displays boost, injection percentage, low level and fault codes to simplify tuning and monitoring.
Snow Performance 05-14 STI Stg 2 Boost Cooler Water Injection Kit w/SS Brd Line & 4AN Fittings
