Active Autowerke 2021+ BMW M3/M4 (G8X) Valved Axle-Back Exhaust System

The 034Motorsport High Pressure Fuel Pump Piston Upgrade Kit, 2.0TSI, 2.5TFSI, 3.0TFSI Supercharged is designed to be a drop-in replacement piston for the factory high pressure fuel pump for the Gen 2 EA888 2.0 TSI engines in the B8/B8.5 Audi A4/Allroad & A5, the 2.5 TFSI in the 8J Audi TTRS, and the EA837 3.0T TFSI Supercharged equipped B8/B8.5 Audi S4/ S5/Q5/SQ5 and C7 Audi A6/A7. By upgrading the factory high pressure fuel pump with the 034Motorsport High Pressure Fuel Pump Piston Upgrade Kit, 2.0TSI, 2.5TFSI, 3.0TFSI Supercharged,the factory fueling limits are raised by up to 50% in 2.0T, 2.5T, or 3.0T engines. This increased flow allows the fuel system to meet the higher demands for ethanol, race gas, more pump gas, and pairs perfectly with all Dynamic+ ECU software that requires an upgraded High Pressure Fuel Pump! Features:

• Yields up to 50% Flow Increase Over the Factory High Pressure Fuel Pump
• Raises the Factory Fueling Limits Present in 2.0T, 2.5T, and 3.0T Engines
• Increased Flow to Meet the Demands of E85 Optimized Tunes
• Required for Most Stage 2+ Performance Software
• Fuel Pump Internals Precision-Machined to Aerospace Tolerances
• DLC Coated Piston and Cylinder for Reduced Friction and Increased Performance
• Matched Piston and Cylinder for Absolute Precision

Includes:

• 1x Pump Piston & Cylinder Set

Fitment:

• Audi S4 2010-2017