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Snow Performance Boost Cooler Stage 3 DI Controller Upgrade

SKU: SP40302

Special Order — 2-3 Weeks Delivery

Controller-only upgrade that converts any existing Boost Cooler into a Stage 3 DI 2D-mapped system for direct-injected engines. Replaces your existing controller — reads boost pressure and fuel rail pressure sensor voltage to create a precise 2D injection map. Includes Dual Stage Technology.

What's in the Box

  • Stage 3 DI controller unit (2D mapping: boost × fuel pressure sensor voltage)
  • LCD display showing boost, fuel pressure, and injection volume
  • Dual Stage Technology wiring (controls 2 nozzles independently)
  • OEM-grade weather-tight wiring harness
  • Installation guide

Key Features

  • Upgrades from: Any stage → Stage 3 DI
  • What changes: Single-axis boost control becomes 2D-mapped injection (boost + fuel rail pressure)
  • What stays: Your existing pump, tank, and lines (may need a second nozzle for DST)
  • Engine compatibility: Direct-injected turbo/SC engines — VW/Audi TSI/TFSI (MQB), BMW N20/N55/B58, Ford EcoBoost, PSA THP
  • NOT for port-injected engines — use Stage 3 EFI controller instead

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