The fresh air valve allows for incoming charged fresh air from the turbo to be diverted safely into the exhaust manifold pre-turbine wheel with the throttle at low opening angles to allow for safer spooling of the turbocharger without the potentially damaging throttle based late combustion event style anti-lag that can induce high engine stresses and break connecting rods

Anti-squat adjustment

When using double calipers

This center cap only fits: CVR1

Steering rack has been relocated to improve Ackermann curve which resulted as more usable angle with better feel and precise handling

BOV CEL Plug - MK5, MK6, MK7 VAG CVR3 The fresh air valve allowsResistor plug to prevent check engine light when the OEM electronic BOV is disconnected on VAG MK5, MK6, MK7 range To replace the resistor plug included in the Kompact Shortie BOV kits for the VAG MK5, MK6 and MK7