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Snow Performance Boost Cooler Stage 3 EFI Controller Upgrade

SKU: SP40301

Special Order — 2-3 Weeks Delivery

Controller-only upgrade that converts any existing Boost Cooler into a Stage 3 EFI 2D-mapped system for port-injected engines. Replaces your existing controller — reads boost pressure and fuel injector pulse width to create a precise 2D injection map. Includes Dual Stage Technology for independent two-nozzle control.

What's in the Box

  • Stage 3 EFI controller unit (2D mapping: boost × fuel injector pulse width)
  • LCD display showing boost, fuel timing, 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 EFI
  • What changes: Single-axis boost control becomes 2D-mapped injection (boost + fuel injector timing)
  • What stays: Your existing pump, tank, and lines (may need a second nozzle for DST)
  • Engine compatibility: Port-injected (EFI) engines — 1.8T, older TFSI, Opel OPC, etc.
  • NOT for direct injection engines — use Stage 3 DI controller instead

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