Installation guides, diagrams and technical notes for our Audi products.
MercRacing Audi Heat Exchanger Tubing Install Notes
How to set up the swappable lower fittings on our heat exchangers for your vehicle. Read ›
MRA1900 Supercharger Kit Installation
Step-by-step installation guide for the MRA1900 supercharger kit. Read ›
Audi Pump Harness and Pump Pinout for Audi: 3.0T, 4.0T, and SQ5
Harness pinouts and wire colors for upgrading to Pierburg CWA100-3 and CWA150 pumps. Read ›
Audi 3.0T Supercharged Intercooler Coolant Flow Diagrams (B8 / B8.5 S4)
Factory intercooler coolant flow diagrams for the B8 and B8.5 S4. Read ›
Audi Aftercooler Intercooler Aux Pump Fuse Locations
Where to find the intercooler pump fuse on a variety of Audi performance vehicles. Read ›