At a "Stage 2" level (requiring exhaust and cooling upgrades), these tunes can push the B5 S4 to 18–22 PSI of boost , resulting in gains of 90–125+ hp over stock. 4. Supporting Modifications & Maintenance To safely run this setup, enthusiasts often include:
Originally rated at approximately 250 hp and 258 lb-ft of torque. 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) At a "Stage 2" level (requiring exhaust and
The 2.4L heads often have larger intake ports compared to the stock 2.7T heads, providing better airflow for high-boost applications. The terminology typically refers to a specific Audi
Features a 6-speed manual or 5-speed Tiptronic automatic, with Audi's signature Quattro all-wheel-drive system. 2. The "V2.4" Modification
While "1.46" is not a standard Audi part number, it most likely designates a specific from a tuner like Unitronic , GIAC , or 034Motorsport .