The Modquad kit should come with a metal ring, a clamp and your filter.
Slip the metal ring into the rubber hose leading into your airbox, put the clamp on it, then slip your air filter onto the ring and put the clamp on it.
Doesn't take very long to do at all.
2008 Honda TRX700XX
UNI Air Filter / HID Headlights / Primart Drive 13T Sprocket.
AC Racing MX Nerf Bars.
Maxxis RAZR 23x7x10 On (bent) ITP Baja's.
Maxxis RAZR 22x10x11 On OMF Beadlocks.
Elka Stage 3 Quadruple Rate Fronts.
Elka Stage 4 Triple Rate Rears.
L8ton Racing 9/16" Sway Bar and Stealth Front Bumper.
Teixeira Tech CXC Adjustable A Arms.
PRM Desert Grab Bar.