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RT-4  1125R/CR
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RT-4 1125R/CR


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Buell 1125R/CR RT-4

Designed in house and calibrated with a matched ecm, average HP gain is +14 over stock

Fits Buell 1125R or CR  models.


  • $975.00
Out of stock

Buell 1125R/CR RT-4

Designed in house and calibrated with a matched ecm, average HP gain is +14 over stock

Fits Buell 1125R or CR  models.

Polished version has an additional cost of $125

Highest HP output to date was at the Buell/EBR factory on their dyno at 143.1 hp.


Everything here is hand fabricated in house, there is a short lead time of 2 to possibly 6 weeks to build as all systems are built to order.

The ECM is NOT included in this price unless you add it as an option.

    • Weight
      15 lbs
    • SKU
      10000000010
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