Well the clips finally arrived today, so no time was wasted fitting the parts:-

Looks neat and seems to make for a smoother acceleration through the rev range, and appears to hit the 6.7K rpm rev limiter much faster now
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The old system was restricted to 39mm dia at the airbox entry, now 51mm dia there and the slam panel air gatherer had an outlet dia of 41mm, now 57mm diameter with 60 mm I/D flexi to the air box 
Now we are making the most from the K&N panel filter!