Spool Stage 3 Low Pressure Fuel Pump | AMG GLS63 [M177] w166 - Huge exhaust flow improvement

- Huge exhaust flow improvement

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Spool Stage 3 Low Pressure Fuel Pump | AMG GLS63 [M177] w166 - Huge exhaust flow improvementSpool Performance is proud to present the production version of our Stage 3 LPFP (Low Pressure Fuel System) for the Mercedes AMG M177 platform. With the use of high pressure pumps now being able to support DI fueling, we have found the low pressure electric fuel pumps that deliver fuel from the tank to the high pressure pumps to be a bottleneck while chasing high horsepower, especially on E85 fuel. The upgraded stage 3 low pressure pump kits are a