Audi A4, S4 & RS4 chip tuning

More power & torque. On invoice and free shipping. Tuning boxes from the test winner. Chiptuning better safe: With comprehensive warranty. Order now for your Audi A4.

12% torque with Stage 1 ECU Remap on Audi S4 4.2 V8 339 bhp (2005-2007)

Tuning the Audi RS4 - performance parts.

BKM front bumper kit with front lip. Fits Audi A4/S4 B8.5., The bumper has two mounting holes for the PDC sensors. If your car is not equipped with

BKM Front Bumper Kit with Lip, fits Audi A4/S4 B8.5

This Rare Tuned 2001 B5 Audi S4 Ups the Panache of a Classic

IE Audi B9 S4, S5, SQ5 Stage 3 TTE710, TTE810, & Pure750 ECU Tune -Ava – Integrated Engineering

CMST Tuning Pre-preg Carbon Fiber Front Fenders for Audi RS4/S4/A4 B9. – CarGym

Revitalize Your Audi B6/B7 S4 with Jackal Motorsports' Industry-Leading Tuning! , Prepare for a Revolution in Performance, Is your Audi B6/B7 S4 in

B6/B7 S4 Tune

ABT Audi RS4 Avant

19% torque with Stage 1 ECU Remap on Audi RS4 2.7 V6 Bi-Turbo 380 bhp (1996-2001)

Caractere Front Bumper for Cars with Parking Sensors, fits Audi A4 B8.0 - BK-Motorsport