Weistec Water|Methanol Injection System Mercedes-Benz AMG GT | GT C | GT R | GT S 2015-2021
Sourced to order; availability needs confirmation
Sourced to order; availability needs confirmation
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Your vehicle & fitment
Questions, ordering & delivery
Confirm included components and installation requirements before ordering.
Product & fitment helpDelivery timing and any special-order conditions need confirmation. Production time is not a delivery estimate.
Returns & cancellationsProduct details
This system is a complete, bolt on system that can be installed with out any guess work or custom fabrication. Weistec has engineered and manufactured many of the components of this system to ensure a simple and straight forward installation that a universal kit simply lacks. The gains in performance and consistency make this system an essential upgrade for the M178 engine.
Features:
- Reduced intake air temperatures
- Increased knock/detonation resistance
- 20-80 HP gain
- 4 Ply silicone charge pipes with integraded injector ports
- Weistec vacuum/boost adapter CNC machined out of billet aluminum
- Water/Methanol Controller with built in MAP sensor
- Dual Weistec CNC machined injectior bodies with built in check valves
- Small, medium and large quantity injection nozzles included for a wide range of configuration
- Tank with integrated level sensor (actual tank my vary from images)
- High quality quick disconnect fittings
- Designed for 50/50 water and methanol mixture
- Compatible with stock, W.3 and W.4 turbochargers
- All hardware and gaskets are included
- Engine: M178
Fitment:
- Mercedes-Benz C190 AMG GT 2015-2021
- Mercedes-Benz C190 AMG GT C 2017-2021
- Mercedes-Benz C190 AMG GT R 2017-2021
- Mercedes-Benz C190 AMG GT S 2015-2021
Fitment details
Fitment has not been verified for this product. Ask us to check it for your vehicle.




