diameter of approximately 2 495 inches and hooks having an outside diameter of 2 672 inches and 2 705 inches for a flexible hose having a 2 5 inch inner diameter in another example the connection device can have the top flange and the bottom section of the middle tubular portion having an outside diameter of approximately 2 995 inches and hooks having an outside diameter of 3 172 inches and 3 205 inches for a flexible hose having a 3 0 inch inner diameter the reference numeral 10 a fig1 16 generally designates another embodiment of the present invention having a second embodiment for the connection device since connection device 10 a is similar to the previously described connection device 10 similar parts appearing in fig1 10 and fig1 16 respectively are represented by the same corresponding reference number except for the suffix u201c a u201d in the numerals of the latter the second embodiment of the connection device 10 a is substantially oval and is configured to be connected to a flexible hose having an oval cross section as well as one with a round cross section compressed to conform to the oval shape of the collar in the illustrated example the connection device 10 a is used to connect an oval flexible hose to the air box as viewed from above see fig1 the connection device 10 a includes two parallel straight sections 100 and a pair of end semi circular sections 102 connected to the straight sections 100 the connection device 10 a includes a bottom flange 18 a a tubular middle wall 20 a and a top flange 22 a the tubular middle wall 20 a is between and connected to the bottom flange 18 a.