BrockFLASH ECU Stage 1 Katana (2020) Must Send Us Your ECU*

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Let the Brock's Performance in-house team flash your stock Suzuki Katana ECM (Engine Control Module) to our exacting specifications. The Stage 1 BrockFLASH™ ECU for the 2020 Katana is designed to work in conjunction with a Brock’s Performance full exhaust system, Dynojet PCV (sold separately,) and Brock’s custom PCV fuel mapping to provide the most complete, user-friendly fuel adjustment combination possible. Take your Katana to the next level of performance with the BrockFLASH™ ECU:

Stage 1 Katana BrockFLASH™ ECU Features Include:

  • Flash service performed in-house (2 business day typical turnaround time)
  • Derestricted Secondary Throttle Position (STP) settings to allow 100% throttle operation in all gears except Neutral (for increased engine protection)
  • Increased horsepower & torque throughout the entire RPM range
  • Retains OEM high RPM limit of 11.5K (12.5K on tach)
  • Retains OEM Ignition timing (Any 89-93 octane Top Tier pump fuel acceptable)
  • ECU Quickshifter Enabled (allows addition of the FT ECU Quickshifter Kit)
  • The following trouble codes are disabled:
    • Disable O2
    • Disable EXCV
    • Ignition Coils – C24-27
    • Disable Wheelspeed
    • Disable Injector Decel Cut
    • Disable EVAP
    • Disable AIS

To order, complete the ECU Flash Release Form (release form may be included in your package or emailed to Then checkout online and send us your ECU freight prepaid and insured ($1,000 declared value coverage recommended) to:

Brock’s Performance - 4064 E. Patterson Rd., Dayton, OH 45430
Please write your order number on the outside of the box.

ATTENTION: FOR COMPETITION USE ONLY! ECU modifications will void your factory warranty. Increased high RPM limits can induce additional strain which could lead to premature engine failure.

Please see our Terms and Conditions for additional information:
Brock's Performance Terms and Conditions

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