I had one on my pointy SV. I liked the effect it had on the throttle, a far smoother response, less on/off from closed or when trying to balance your revs when going into a corner. Probably made it more like an IL4. And the power was more progressive like a 4.
On the downside mine actually sheared. Before anyone says anything about installation, it was put in by a qualified engineer who owns and runs a Riding school and does all his own mechanical work. One of the guys who works for him is an ex engineer off the rigs & both inspected the bits when it broke. The opinion was that the metal stretched and then when I stalled the bike, it was the final nail in it's coffin & it broke. They both agree this was caused by inferior material being used. More than a couple of people have had this done with no complaints so it may be an isolated incident.
It could have had catastrophic effect on the engine and as you had modified this, it would invalidate the warranty. Just be careful of what you put in there.
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