best back box for my 1.1 saxo?

[columadboi]

hey
just wondering whats the best back box i could get for my saxo 1.1 im looking to spend about £100 and where could i get it from?
are they easy to fit?
regards marcus

[chevy-stu]

best for what ?

[columadboi]

erm like sounding nice but not too loud...

[columadboi]

anyone?