About to sell my car, but a little bit stuck

[you'd never of guessed]

Hi i have a pearl black renault clio 1.2 16v for sale £3900 but...
I dont have an airbox.... and i can't find one. I took it out for a moment and put it on the floor and my friend rand his stupid fiesta over it...
I have looked all over and im not paying £50 from renault... what should i do?

 

[Ru1e]

Oh dear... ebay, breakers, parts for sale section or someone on here who has just fitted a ik may sell goodluck