1.46 | Audi S4 B5 V2.4

The 2.4L heads often have larger intake ports compared to the stock 2.7T heads, providing better airflow for high-boost applications.

While "1.46" is not a standard Audi part number, it most likely designates a specific from a tuner like Unitronic , GIAC , or 034Motorsport . AUDI S4 B5 V2.4 1.46

Originally rated at approximately 250 hp and 258 lb-ft of torque. AUDI S4 B5 V2.4 1.46

These software revisions optimize fuel delivery, ignition timing, and boost pressure. AUDI S4 B5 V2.4 1.46

The terminology typically refers to a specific Audi S4 (B5 generation) modified with a 2.4L engine head (from a naturally aspirated V6) and a performance tune —likely version 1.46 of a specific tuner's software (such as from specialized European tuning houses). 1. Platform Overview: Audi S4 (B5)