S4 B5 V2.4 1.46 - Audi

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:

The 2.4L heads often have larger intake ports compared to the stock 2.7T heads, providing better airflow for high-boost applications. AUDI S4 B5 V2.4 1.46

Features a 6-speed manual or 5-speed Tiptronic automatic, with Audi's signature Quattro all-wheel-drive system. 2. The "V2.4" Modification At a "Stage 2" level (requiring exhaust and

In the Audi tuning community, "V2.4" refers to swapping the stock 2.7T cylinder heads with found in other Audi models (like the A4/A6 in Europe). Features a 6-speed manual or 5-speed Tiptronic automatic,

These software revisions optimize fuel delivery, ignition timing, and boost pressure.

The B5 S4 (produced roughly 1997–2002) is a legendary performance sedan known for its .