Spool FX-350 Upgraded High Pressure Fuel Pump System | AMG G63 / G550 [M177] fuel pump We have been testing this

We have been testing this for almost a year now and here it is finally

With an ethanol analyzer kit

Our 10-micron filter unit boasts the best filtration available on the M178 market without any noticeable pressure drop in the low side fuel system

Powder-coated Airbox with filter covers

Unleash your SL’s full potential and command the road with exceptional power

Spool FX-350 Upgraded High Pressure Fuel Pump System | AMG G63 / G550 [M177] fuel pump We have been testing thisSpool Performance FX 350 High Pressure Fuel Pump Upgrade What is the FX 350? Introducing the Spool Performance FX 350: the next evolution in high pressure fuel pumps, surpassing our previous model, the FX200, in both performance and efficiency. Enhanced Pressure and Flow: The FX 350 is engineered to deliver fuel at an impressive 35Mpa, significantly higher than the 25Mpa offered by the FX200. This increase in pressure, following the physics equation