2001 Audi S4 - Volkwagen GTI-R - Mk4 Volkswagen Jetta - Garage Projects
Read about cool project cars that are in progress, featuring a 2001 Audi S4, 1981 VW Golf GLS and more!
Maserati Biturbo, Audi S4, Volkswagen MK6 - Garage Projects
Take a look at the most complete Volkswagen Mk6 GTI built in North America to date, along with the other Maserati Biturbo, and Audi S4 garage projects.
Project Audi S4 Part 5: Final Touches
It was a very challenging task to take one of Audi's most accomplished cars, the S4, and improve its performance without compromising the essential "rightness" of the car. We consider our efforts a success.
Project Audi S4: Part 4
In Part 3, Project S4 acquired a substantial power upgrade to its 2.7-liter turbocharged V6. APR stepped in with its Stage 2-plus setup, increasing boost from the stock 7 psi to an astonishing 1.0 bar--just over 14.5 psi. On my first test drive with the 100-oc
Project Audi: Part 3 Turbo and Exhaust Upgrades
Buying a factory-turbocharged performance car is often done for one reason--"tuneability." Thousands of dollars can be spent increasing a normally aspirated engine's output by a nominal amount, but a turbocharged car's power can be effectively upgraded by a si