What is this for?

Discussion in 'The Workshop' started by Seatonwills, Oct 27, 2021.

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  1. Seatonwills

    Seatonwills New Member

    Messages:
    25
    Hi folks,

    On the ride home this evening I noticed the exhaust suddenly sounded a bit deeper. My 1st thought was a hole and when I got home there was indeed a hole in the pipe but it looks like its from another flexi-rubber pipe snapping off. Theres a small metal box which was attached to the exhaust pipe then a rubber hose goes from that up under the seat. Theres also a sping around the rubber pipe. Now its just hanging lose, any idea what it is and how important it is? Cheers
     

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  2. Stevep

    Stevep Well-Known Member

    Messages:
    5,895
    EGR valve. Most people just block it off
     
  3. Seatonwills

    Seatonwills New Member

    Messages:
    25
    Thank you. Where does the other end go? Presumably theres an outlet on the head somewhere? Does it make any difference to performance, positive or otherwise?
     

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