IPOSMotosport B46/B48 Stage 2 High Pressure Fuel Pump Upgrade

Take your Gen 1 B46/B48 engine to the next level with the IPOSMotorsport Stage 2 HPFP—our highest-flowing plug-and-play fuel pump solution. Engineered specifically for full E85 compatibility and high-horsepower builds, this upgrade is a must-have for serious enthusiasts running upgraded turbos or pushing the stock engine to its limits.

This system is a true drop-in solution, delivering increased volume and reliability without requiring complicated fabrication. Designed with racers and high-boost applications in mind, the Stage 2 HPFP provides consistent fueling to support your tuning goals.

Fuel Pump Flow Comparison (cc/rev):

• HDP5 Evo (Stock B46/B58): 0.954

• HDP6 (Stock B48TU/B58TU): 1.178

• IPOSMotorsport Stage 1: 1.299

• IPOSMotorsport Stage 2: 1.558

Key Features:

• Plug-and-play design for Gen 1 B46/B48 engines only

• Delivers the highest fuel flow available for this platform

• Fully supports full E85 usage and high boost tuning

• Built for high-performance and race-ready builds

• Compatible with Bootmod3 and MG Flasher tuning software

• Includes all necessary installation hardware and tools

• Designed for easy installation with minor fuel line adjustment

Kit Includes:

• Stage 2 High Pressure Fuel Pump with hardware

• CNC-machined adapter plate

• Quick-connect low-pressure fuel line

• Plug-and-play electrical harness adapter

• Alignment spacer tool for precise installation

Installation Notes:

• Software tuning is required. Select “Dorch Stage 1/2” in Bootmod3 or MG Flasher when flashing

• Minor bending of the OEM high-pressure fuel line is required for fitment

• This pump is only compatible with Gen 1 B46/B48 engines. Not compatible with Gen 2 B48TU variants