hi im a newby looking forward to some expert conversation iv recently bought an a4 1.8t sport which is in great condition for a 14 y old car,im looking to get some more grunt out of her i understand these have to be chipped via the ecu, has anyone had this done, any advice on which chip would be best or recommend some body and what is the difference like in power or overall, also i want to change the air filter may be a green coton filter keep it simple or go for an induction kit any advice would very helpfull indeed
thnks stuartk
thnks stuartk