Norman Hyde Pipes

Discussion in 'Bonneville' started by Malcolm Woods, Dec 6, 2019.

  1. Malcolm Woods

    Malcolm Woods Noble Member

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    Hello all again, cold winter days and I fancy getting out in the garage and fitting some nice sounding Norman Hyde pipes, easy job to do, and hopefully my pride and joy will have a nice sound.
    Now the problem, the advert for the pipes states that there will be lots of popping and that the ECU will have to be mapped, now it sounds a big job as I am not going to fool around with ECUs, ( know your limitations)
    Really I have to ask is it worth it???
    thanks all
    mallywoods
     
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  2. Callumity

    Callumity Elite Member

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  3. Tigcraft

    Tigcraft Unheard of Member

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    As above!!
     
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  4. Malcolm Woods

    Malcolm Woods Noble Member

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  5. Callumity

    Callumity Elite Member

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    My 865 bike has carbs and I gutted the airbox so needed to upjet to get the torque benefit.
     
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  6. MadMrB

    MadMrB Elite Member

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  7. Johnjo

    Johnjo Senior Member

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    I had to remap mine and remove the air injection gubbings after fitting norman hyde pipes to mine. Yes, yes, yes it's worth it. What a fabulous growl they had once everything was sorted. They can, geddit, be too noisy for some, but I loved 'em.

    I ran the bike standard after fitting the NH togas, but the popping and banging on the over run and when starting the bike was getting embarrassing. It used to frighten those of a nervous disposition.

    It's not a big job to get remapped or to remove the sai. If I can do it, a thick brummie, any one can.
     
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  8. Eric_H

    Eric_H Member

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    I've fitted the NH peashooters to my 2011 SE and I love them the quality is second to none. To start with I removed the SAI which reduced the popping back on over run but didn't get rid completely, however after removing the 02 Sensors it rarely pops back, it still does it a bit from time to time particularly with the throttle closed going down hill but it's a more gentle popping rather than a loud continual popping.

    I tried different maps with little success and reloaded the original map because it ran the best. Just make sure you do a reset adaptation of the ECU, this can be done with TuneECU as can switching off SAI and 02. When I can be arsed I'm gonna get a TTP tune for my config.. hopefully.
     
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