Brands
Motor
Marine
RS4
Audi RS4 B5 2.7T 380Hp - Stage 1 & 2 |
Upgrade stages ranging from 425 to 440 Hp for the 2.7T engine of Audi RS4. |
Audi RS4 B7 4.2 FSI 420Hp - Stage 1 & 2 |
Upgrade stages ranging up to 455 Hp for the 4.2 FSi engine of Audi RS4. |
Audi RS4 B8 4.2 FSI 450Hp - Stage 1 |
Upgrade stages ranging up to 475 Hp for the 4.2 FSi engine of Audi RS4. |