1. Hank Bajajman

    interesting that matt downjetted, the conventional wisdom with 2t’s is
    to upjet, when fitting a performance pipe. might be worth looking in to the theory of when the engine can exhale better, it may do with a smaller jet.

    • Matt Tipper

      It doesnt make sense to me either but Ive had it checked out on 2 dynos and done about 1500 miles a lot of which were on the motorway with this set up without any issues so I am putting it down to witch craft.

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