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  1. Derestricting the throttle body

    Alfa 159, Brera & 946 Spider
    Has anyone tried this on thier alfa? DIY Modifying the stock Throttle body for more air flow I think the guy in the link took off a little too much from the shaft, i'd much rather leave it a bit thicker, especially where the threads for the butterfly screws are! The honda shaft was fairly thin...