The K&N RG-1001 simply pushes onto the 3 1/2" tube that's welded to the cut-down airbox and is held there by a large jubilee clip. The filter comes with three adapters to cater for different pipe o/d but 3 1/2" is the way to go when you have the short pipe welded on.
1997 +8 BRG, BMW Z4, Harley FXD, Greeves Silverstone RDS, Kawasaki H2 & Z1000 - no electric cars!
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