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The Snow Performance Stage 2 Boost Cooler for 2015+ Subaru WRX (non‑STI) is a water‑methanol injection system sold without a tank to help lower intake temperatures and boost effective octane on forced‑induction engines. It ships with a throttle‑body spacer, braided stainless line and 4AN fittings. The VC‑50 progressive controller meters injection by boost with adjustable engagement, and a multi‑color OLED shows boost and injection percent for easy tuning.
Snow Performance Stage 2 Boost Cooler 2015+ Subaru WRX (Non-STI) Water Injection System w/o Tank
