FOLLOWED PLANS FOR BUILD UP OF FIBERGLASS SO THE INLET OF AIR BOX WILL BE SEALING WELL TO THE LOWER COWL AND STILL WILL ALLOW ME TO REMOVE THE LOWER COWL EASILEY. I USED THE PLANS TO USE A BLOCK OF FOAM AND CUT THE OPENING OUT WHICH WILL GIVE ME THE STRAIGHT SHOT TO THE AIR FILTER. I USED RESIN AFTER THE CUT TO HOLD THE FOAM IN POSITION