Ecu Flash Hayabusa Gen 1 2002-2007

Mail-In ECU Flash for 2002–2007 Gen 1 Hayabusa – Classic Power, Modern Tuning
Bring your first-gen Hayabusa into the modern era with our Mail-In ECU Flashing Service for 2002–2007 models. This Streettuned flash unlocks serious performance while preserving reliability, giving your Gen 1 ‘Busa sharper throttle response, cleaner fueling, and more top-end pull—without bulky piggyback modules or tuning guesswork.

📧 Once you purchase, we’ll email you an instruction sheet with simple steps to remove and ship your ECU. After we receive it, we’ll apply our Streettuned flash based on years of real-world racing and dyno data. Then we send it back ready to ride.

🔥 Flash Features Include:

• Top speed limiter removed
• Enhanced throttle control and drivability
• Optimized fuel and ignition for your mods
• Optional race fuel support and extended rev limit
• Custom tuning for exhaust, stacks, and air filter setups
• Maintains a clean BamaStock sleeper look
• Proven Mopower performance—track or street

⚙️ Perfect For:
Gen 1 Hayabusa owners running bolt-ons, stretch kits, or looking for a reliable performance bump without going full standalone. Ideal for street domination, roll racing, or just restoring the beast inside the OG ‘Busa.

Let your early-gen Hayabusa live up to its name. Send in your ECU and we’ll handle the rest.