2001 Audi b5 S4 2.7t Engine & TUNED ECU & Harness Franken Turbos

For sale is a complete 2.7-liter bi-turbo V6 engine (APB code) pulled from a 2001 Audi B5 S4 Quattro (6-speed manual). This engine package is fully functional and includes several performance upgrades, making it ideal for an enthusiast build, swap, or replacement.

This setup features FrankenTurbo F21 hybrid turbos, known for their reliability and strong midrange power, paired with a tuned ECU for optimal performance. The package includes the full engine harness, ready to drop into another B5 chassis or suitable swap platform.

101k miles

Included in Package:

• Complete 2.7T APB engine (long block + accessories)

• FrankenTurbo F21 turbochargers

• Tuned ECU (specify tune details: e.g., Stage 2+/3-, fueling, MAF, EGT deletes, launch control, etc.)

• Engine wiring harness

• OEM or upgraded inlets, intercooler piping, and downpipes

• Injectors

• MAF housing, MAP sensor