C43 Engine (W205)

Our C43/C400 intake system is a true enclosed cold air design, relocating the intake away from the external V-mounted turbochargers to minimize radiant heat soak and improve overall performance. Unlike...

The ZAC Motorsport M177 VTA (Vent to Atmosphere) Give your 4 litre BiTurbo engine that  "blow-off" sound.  The M177 has electronically actuated bypass valves that recirculate back into the airbox...

ZAC SHF C43 Downpipes.  Improve power by reducing exhaust restriction Increased exhaust volume and note. Manufactured from CNC mandrel bent stainless tubing TIG welded OEM style mount points

Full Mechanical BOV conversion Please note that this is NOT comparable to the BOV adaptors/Spacers that use the factory electronic valve. This unit completely replaces the leak-prone factory ECU controlled...

ZAC SHF M276 Performance Intercooler Upgrade The ZAC M276 Intercooler Upgrade improves the performance of the V6 engine by reducing intake air temperature, reducing pressure drop across the intercooler. Higher boost...

What is the FX-350? Introducing the Spool Performance FX-350: the next evolution in high-pressure fuel pumps, surpassing our previous model, the FX-200, in both performance and efficiency. Enhanced Pressure and...

What is the FX-200? The FX-200 is an upgraded high-pressure fuel pump. The pump features a bigger bore size than stock that translates into roughly 80% more flow when compared...

HKS Spark Plugs to suit M157 5.5 litre BiTurbo engines. (set of 6) A noticeable difference in performance over other brands.  Iridium Alloy Center ElectrodeIridium alloy center electrode reduces voltage requirement...

Spool Performance is proud to present the production version of our Stage 3 LPFP (Low-Pressure Fuel System) for the Mercedes-AMG M276 platform. With the use of high-pressure pumps now being...

The FX-170 is an upgraded high-pressure fuel pump. The pump features a bigger bore size than stock that translates into roughly 50% more flow when compared to stock. The pump...