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cold air intake

  1. Review: 42 Draft Designs Mk4 1.8T High-Flow Intake System

    1.8 Liter Turbo
    A few weeks ago I finally bit the bullet and purchased 42 Draft Designs' new short ram intake system for the Mk4. Despite it only being listed for the Golf and Jetta, this intake fits without issue under the hood of my GLX. I made sure 42 DD knows that it fits too! :p The price may seem...
  2. Cold air intake causing cel to come on

    1.8 Liter Turbo
    I just installed a k&n cold air inake on my 2002 1.8L turbo beetle. Now my check engine light is constantly coming on. It is throwing code po171 (system too lean, bank 1). I installed the enclosed small air breather on the secondary air pump hose end that disconnected from the stock airbox...
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