Our Service Hotline: (Mo-Fr 9.30am-5.00pm CET) +49 40 3999 2118
Boost Cooler Stage 3 EFI Controller Upgrade

Item number: SP40301

Variable Injection via Boost Pressure and/or Fuel Injector Pulse. For all naturally aspirated, turbo and supercharged gasoline engines with manifold injection.

MastercardVisacardPayPalSofortüberweisungAmerican ExpressAmerican Express
starting from 449,00 EUR

including 19% VAT., plus shipping

Shipping time: 2 - 3 workdays


With your order 19% VAT will be deducted.

Dual Stage Upgrade (Straight Engine)

Dual Stage Upgrade for injection optimisation to a 2-stage injection control.
Advantage: In low load ranges, a smaller primary nozzle can be used to inject earlier, and during peak loads, the Boost Cooler can provide a higher overall injection quantity in an even more optimised manner.

Your configuration


Boost Cooler Stage 3 EFI Control Unit Upgrade

Variable 2D water-alcohol injection via boost pressure and fuel injection quantity.

The multiple award-winning Boost Cooler Stage 3 EFI control unit from SNOW Performance regulates the water or water-alcohol injection quantity progressively in relation to the boost pressure and the fuel injection quantity.

The desired start and full injection times are simply entered on the enclosed LCD screen. The controller then creates a 2D injection curve for the optimal injection quantity in all load ranges. By using boost pressure and fuel injection valve timing, the Stage 3 control unit enables very precise water-methanol injection quantity regulation.

In addition to the primary injection nozzle, another nozzle is activated by the control unit, independent of the primary nozzle. - This ensures optimal use of cooling and power in all engine load ranges.

The progressive injection of water or water / methanol based on the 2D mapping created is very precise and has a positive effect on cooling and engine performance over the largest possible engine load range.

Recommended for all naturally aspirated engines as well as turbo and supercharged engines with intake manifold injection.

Product Features:

  • Electronically controlled injection via boost pressure and fuel injection quantity
  • Controller with LCD display and simple pull-down menus for programming
  • Display of boost pressure (bar / psi), injection quantity, injector timing, power nozzle activation
  • Dual stage technology - Independent control of 2 nozzles (*)
  • For all naturally aspirated, turbo- and compressor engines with manifold injection
  • Suitable for all SNOW Performance Boost Cooler systems from 2005 onwards

Scope of Deliver:

  • Stage 3 EFI Controller
  • Cable harness and connection material
  • Detailed installation instructions

(*) Note: To use the Dual Stage Technology, please order the DST upgrade above.