I just bought my son a 07 700 dragon with 1300 miles and with $1000.00 dollars of accessories anyways i was doing a little inspecting and cleaning the air box on these sled they must be junk because the throttle body was full of belt dust and so was the reeds . has anybody tried updating the air box to a 09 or 10 700 or 800 air box . any help to sealing this 2 piece air box would be great.