Description
The fully plug and play nitrous harness to be controlled by your flashed 02-07 Hayabusa ECU.
- ECU FLASHING WITH ECU EDITOR IS REQUIRED TO USE THIS HARNESS
- Fully plug and play (no splicing what so ever)
- Provides a window switch (Arm and Disarm RPM programmable in ECU Editor)
- Provides a WOT switch (TPS > 85% programmable in ECU Editor)
- Provides map switching in your ECU when NOS starts spraying.
My personal 05 Busa made 180 hp on motor, 230 hp on nitrous using a 38 jet in the airbox, with 2 degrees of timing removed while spraying. Dyno chart below, notice the “sudden” increase in power at 6200 RPM.
Please note that while I do my best to ship items the business day after they are ordered, I am not always able to do this.
If you have an urgent need for anything, please email me directly greg@boostbysmith.com.
Domestic: I ship most packages USPS priority mail, which is advertised as 2-3 business days.
Smaller items with shipping rates at just a few bucks are sent USPS first class mail.
I can ship UPS ground as well.
International: Due to long delays with USPS during Covid 19, I am only shipping via UPS.
The customer is responsible for any brokerage/customs fees. My site is setup to add $55
for international shipments as this is the worst case for UPS with rare exception of a remote service
zone fee which I will contact you if this is the case.
In the event that shipping is less than $55 I will send a refund. Feel free to contact me in advance and I can check exact shipping for you.

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