Join Date: Jun 2019
Location: Hokkaido, Japan
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Holeshot Super Tune for 2018〜 Models
I just wanted to provide an answer to this question as it has been bounced around various threads. I own a new Z. I had Holeshot’s full tuning package installed, including Arrow headers and Arrow muffler. After about 175 km, the FI light came on.
The earlier models required the O2 sensor eliminator. With the new models and changes to the ECU, it became unnecessary to disconnect the O2 sensor. Just re-attach it on the new exhaust system and GO!
The bike is powerful and fast from below 4,000rpm and just screams after 7,000rpm. Throttle is buttery smooth. There is no flat spot whatsoever. This is SO much more bike than what I picked up off the showroom floor!
There was no pulsating throttle at all until I removed the baffle. The bike also ran weak at lower rpm. I drilled 6 holes into the baffle and put it back in. All the power returned down low, I have more top end then I had before, and the sound at idle through to WOT is awesome.
Highly recommended! Anyone who puts approaching 200 dyno runs on his own machine to build the perfect tune must have come **** close to achieving it.