Horn
Some times you'll find a little screw/nut on the back for tuning
If not try adjusting the nut on front if it has one

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you win some, lose some, crash some
K+N filter, snorkel removed, homemade kev mod (with his blessing), co raised,
Pipeworx cans, r1 led back light, under tray removed, small indicators, handguards, cnc short levers,