[quote author=J_Rock link=1142041611/0#12 date=1143994445]If you built her tight, you can tune all you want, but when you do decide, seal her up I think would be best. You don't want to settle on something caulk it in, and then later test another DB to find a different sweet spot.
If your sub doesn't fit with another mdf panel added to the end of the insert, I would leave it as is.
And about the XO point, if it does sound best there, thats where to keep it, these other forum guys aren't going to be listening to your car everyday. [/quote]
the thing is j rock, that if you run some serious power thru a db that is not sealed, when it tries to move serious air there is serious pressure and that pressure will try to find a way out, this 'trying to find a way out' will (in my opinion) effect the 'actual' performance of the box. gotta seal her up tight to know for sure what shes actually going to do? in my opinion