The filter box itself is standard to that era, right into the early 90's i think, when they put the 'stages' along the control run, the difference is the end cap, the 500 twin originally had the pointy cap on the end, i will put up a pic when i find one.
EDIT:
Here we go, I forgot i took this one, its the correct sticker.
Last edited by Mr Davis; 25/06/1102:09 PM.
Cheers Ty
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