Billet AAN Thermostat Housing link ecu Looking for 400whp on your

Looking for 400whp on your UrS4 or whatever car you've stuffed an AAN / 3B into without changing out a bunch of the stock components

G4X features 8 x faster communications speed

4m long 'A' loom to suit G4 and G4+ ECUs

turbo outlet hose for the UrS4 UrS6 with AAN engine

If something goes wrong

Billet AAN Thermostat Housing link ecu Looking for 400whp on yourAnother failure prone item in the cooling system on the 1992 1995 Audi S4 S6 is the plastic thermostat housing that comes from the factory on these cars. An easy upgrade used to be to swap on the OE housing from the early 5k turbo models. Until Audi decided to make those NLA. iABED Industries has reproduced this housing in beautiful billet aluminum. Finished in clear anodized for a lifetime of service.