2004-07 Audi S4 4.2 Unitronic Stg 1

2004-05 Audi S4 4.2

Stock: 340hp/302lb-ft
Unitronic: 361hp/319lb-ft

Swift Motorsports is Connecticut and New England's Unitronic Head Quarters

Still thinking if the extra power is suitable for you or to test the difference between Unitronic and other tuners... Unitronic offers you the oppurtunity to extract the full potential from your car's engine, without having to do extensive modifications.

The results are immediately noticeable, or your money back.

Features:

- More horsepower and torque throughout the powerband
- Improved throttle response
- Fuel economy improved
- Program loaded through OBD2 port for most models
- Undetectable by scan tools
- Unconditional 30 Day Money Back Satisfaction Guarantee
- Swift Motorsports can Bench Flash your ECU and send it back same day!