Which Boost Cooler system fits my vehicle?
| Scope of delivery |
Stage 1 Starter Kit |
Stage 2.5 PowerMax |
Stage 3 DI |
|---|---|---|---|
| High Pressure Diaphragm Pump, 300 PSI | ✓ | ✓ | ✓ |
| 2 Nozzles | ✓ | ✓ | ✓ |
| Upgradable | ✓ | ✓ | ✓ |
| 3l Tank | ✓ | ✓ | ✓ |
| Low level indicator | ✓ | ✓ | ✓ |
| Variable Injection | x | Boost press | ✓ |
| 2-D Injection | x | x | Boost press + FRP |
| Dual Stage Technology | x | Upgradable | ✓ |
| Cockpit display | x | ✓ | ✓ |
| 52 mm DIN cockpit display | x | ✓ | x |
| ProLine stainless steel braided line available | x | ✓ | ✓ |
Methanol Injection for the Audi RS3 8VA Quattro
(2.5 TFSI, 270 kW / 367 hp)
The 2.5 TFSI in the RS3 8VA is an inline-five with twin-scroll turbocharger — engineered for high specific power output from the factory and treated in the tuning scene as a "power-pickup without a ceiling". With Stage 1 software tunes many RS3s reach the 450 hp mark; hardware-supported builds (intercooler, downpipe, larger turbo) push 500–600 hp into realistic territory. Exactly in this load range the engine hits its thermal ceiling — water injection restores the thermal headroom that a high-end tuning build needs to actually deliver the power to the wheels.
Recommended configuration for the RS3 8VA: We recommend the Stage 3 DI variant. The 2.5 TFSI is a pure direct-injection engine; the DI-specific Boost Cooler controller with fuel-rail pressure mapping and Hyper-Sonic nozzle setup is the right path. Stage 2.5 Power-Max is a sensible pick for Stage 1 software without hardware mods (up to ~450 hp). Stage 1 Starter Kit is the unregulated entry option.
Effect in numbers: −40 to −60 °C intake air temperature under full load, +10 to +25 % power gain depending on stage, significantly reduced knock-control retard in upper RPM ranges, higher thermal reserve under sprint loads and track use.
Boost Cooler Water Injection
– made for your vehicle
Performance water-methanol injection with the classic Snow Performance Boost Cooler systems. Reduces intake air temperature by up to −60 °C, enables +10 to +25 % more power without thermal engine stress. Direct from the manufacturer — European Headquarters for Snow Performance.
Direct manufacturer support
from Hamburg
S-Performance GmbH is the European Headquarters for Snow Performance. English-speaking support available, pre-sales technical advice, warranty, shipping to over 220 countries.
Got questions about your vehicle or one of the systems? Get in touch with our support team: contact form.
Boost Cooler vs. Boost Cooler ProLine
Standard Boost Cooler kits ship with red pressure hoses and push-on fittings. The ProLine variant uses stainless steel braided lines and AN fittings - motorsport-grade pressure resistance, higher heat tolerance.
