air filter size

  1. Joseph123

    Help Please What diameter cone air filter neck do i need

    Hi guys, after realising there are not much options for induction kits, i’ve decided i’d just like to buy a cone air filter and install it on the pipe that is already there for the stock air filter. However do you guys know what the outside/inside diameter of the current air filter pipe is, so i...
    • Joseph123
    • Thread
    • air filter air filter size audi a4 1.8tfsi cone filter help needed help please hoses induction kit piping tubing size
    • Replies: 2
    • Forum: Audi S4/A4/A4 Cab (B8 Chassis)
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