I'm putting my 2002 A4 1.8T Quattro manual's intake back together with appropriate parts due to a running lean issue. I purchased the car with an AFE setup, but wasn't installed properly, and I also noticed some wore out hoses. I got an OEM Turbo Inlet Hose from an '03 A4 1.8T auto fwd parts car, but seems to have an extra hole near the MAF that I can't seem to find that goes to my car. Is there a difference between the 2 years I don't know about?
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