The IE HPFP Internal Kit upgrades the high pressure fuel pump in your Audi B9 3.0T or 2.9T engine with the largest volume possible piston and cylinder design to unlock fuel delivery for hybrid turbos and our Stage 1/2 Plus ECU tunes. Manufactured with top-quality components and an industry-leading QC process to ensure extreme reliability. Increase your fueling overhead and enjoy worry-free HPFP operation for your 6-cylinder turbocharged engine. REQUIRED FLOW FORE85 & HYBRIDECU TUNES STROKE VOLUME38.58%INCREASE OVER STOCK LARGEST POSSIBLE11.68MMPISTON DIAMETER LEADING FEATURES Highest possible flow -safely run ethanol & hybrid turbo ECU tunes In-house verified -Broken-in and bench tested on our pump dyno Tool steel pin & cylinder -Extreme resistance to heat and abrasion DLC-coated pin -Low friction long-life coating Nitrided cylinder -Increases hardness and wear resistance Titanium retainer -Ultra lightweight and high strength Engineered, designed, & manufactured in the USA Your HPFP is an integral part of the B9 3.0T & 2.9T platforms direct injection (DI) system and provides exceptionally high-pressure fuel (exceeding 2900psi) to the injectors. When running turbo upgrades or ethanol fuel, the stock HPFP internal volume becomes the limiting factor when increasing power. IE's HPFP internals install into your factory pump housing and increase the bore and piston size of the pump internals, adding more flow, delivering more fuel, and safely allowing for higher horsepower & torque output. window.SHOGUN_IMAGE_ELEMENTS = window.SHOGUN_IMAGE_ELEMENTS || new Array(); window.SHOGUN_IMAGE_ELEMENTS.push({ hoverImage: '', uuid: 's-51b0434b-9d38-4e42-9156-9cebeb62fad4' }) FITMENT GUIDE MAKE MODEL YEAR ENGINE Audi S4 2017-2023 (B9/B9.5) 3.0T Audi S5 2017-2023 (B9/B9.5) 3.0T Audi SQ5 2018-2023 (B9/B9.5) 3.0T Audi RS5 2018-2023 (B9/B9.5) 2.9T