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Old November 7th, 2019, 07:50 PM   #1
gantt
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Name: michael
Location: Central Georgia
Join Date: May 2013

Motorcycle(s): 2019 Ninja 400, Sold 2012 Ninja 650, Sold 2009 Ninja 250r, Sold 2007 DRZ400s

Posts: 567
Norton Motorsports ECU flash and velocity stack review

I purchased Norton Motorsports’s package deal a few weeks ago for my ninja 400. It includes an exhaust system, a set of custom made velocity stacks, and a flashed Ecu. I went with the Graves full exhaust, Norton by far has the best price I have found for this system. I sent my ECU to be flashed by Jesse at Norton, i opted to keep my original ecu, but you can speed the process up by paying a little extra for a core charge and he will send a flashed ecu to you and when you send your original ecu in you get your core charge refunded. That way your bike never has to be put down.
I installed the exhaust, which fit like a glove and sounds great, and pulled the airbox and installed the Norton velocity stacks. These stacks are custom made backed with dyno tuning during the design process, not some generic stacks pressed into the oem stacks. I removed the snorkels and put everything back together. Norton recommends cutting the airbox to allow more airflow, but I have not cut mine yet. I will probably pull the tank in a couple weeks once winter sets in and cut the box. The difference in performance is purely amazing, the throttle response is very crisp, the bike pulls through the gears harder. Throttle is smoother, I can’t believe the difference this made. It really does not feel like the same bike, it feels like a proper sport bike now.

Without a doubt this was money well spent. I would definitely recommend the ecu flash and velocity stacks to anyone with a ninja 400 or Z400. It really wakes this bike up.


Jesse was fast responding to questions I had throughout the process, I was talking with him through emails before I purchased the parts and then later as I had more questions. Being a career mechanic for two leading brands of commercial vehicles I am always questioning and looking beyond the stated facts. Jesse was more than helpful and is knowledgeable about what he is talking about. I could tell he is passionate about motorcycles, and obviously has a talent for finding horsepower in the small displacement sport bikes.
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Old November 10th, 2019, 09:33 AM   #2
gantt
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Name: michael
Location: Central Georgia
Join Date: May 2013

Motorcycle(s): 2019 Ninja 400, Sold 2012 Ninja 650, Sold 2009 Ninja 250r, Sold 2007 DRZ400s

Posts: 567
Took the bike out this morning for a good ride. It’s the first chance I’ve had to put some seat time on the bike since the mods.
Throttle roll wheelies!! I didn’t think the 400 would ever do that on stock gearing.
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