Looks pretty good, definitely solid. I think if you can make a trim ring for the carpet or something like that it will look really clean.
How much does it weigh??? I suppose you aren't concerned with speed though.

Former owner of '99 CSVT - Silver #222/2760 356/334 wHP/TQ at 10psi on pump gas! See My Mods '05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red '06 Mazda5 Touring, 5spd,MTX, Black