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  1. J

    kerker 4 1 too loud with 2.5 inch competition baffle

    No the blue pipe idles alittle stronger than all the others but they all are pretty even for the most part at idle my v boost is fully disassembled this bike was built and tuned by a vmax mechanic and he said stage 7 is 5 bike lengths faster than a stock vmax
  2. J

    kerker 4 1 too loud with 2.5 inch competition baffle

    i got it sorted out bought a 2 inch la customs baffle and a 1 5/8 piece of pipe screwed it to the end of the baffle. i screwed that to the main baffle in the muffler along with alot of packed insulation. its much better but still loud seems like i gained alot of low end torque! the bike does...
  3. J

    stage 7 carb sync easiest solution weber syncronizer?

    my v boost is fully removed
  4. J

    stage 7 carb sync easiest solution weber syncronizer?

    hi everyone my stage 7 vmax seems like it idles more on the right cylinders than the left and seems alittle choppy cruzing at around 2-2.5k rpms im curious how easy this weber syncronizer is to use or im thinking i could just turn the 2 right cylinders down a bit and the idle up to even these...
  5. J

    kerker 4 1 too loud with 2.5 inch competition baffle

    yes i tried with all the plates and it was still too much backpressure yes i tried with out any plates but it was too loud im curious to know what people are running with a stage 7 kit
  6. J

    kerker 4 1 too loud with 2.5 inch competition baffle

    because i have a stage 7 it cant have too much backpressure
  7. J

    kerker 4 1 too loud with 2.5 inch competition baffle

    the supertrapp with the plates
  8. J

    kerker 4 1 too loud with 2.5 inch competition baffle

    well i tried that muffler and it was too much backpressure and the bike wouldnt rev out
  9. J

    kerker 4 1 too loud with 2.5 inch competition baffle

    will this be a quieter muffler https://www.summitracing.com/parts/sup-443-2517
  10. J

    kerker 4 1 too loud with 2.5 inch competition baffle

    hi im new to the group i just bought a 2001 vmax with a stage 7 that has a 4-1 kerker supertrapp muffler with the 2.5 inch baffle and its way too loud i was told i could find a 2 inch medium competition baffle or an even smaller one but i cant find one anywhere? can someone please help me
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