Its invisible...I mean, all I've done so far is grill block on the lower half of the upper grill and the bottom grill with cardboard + zip ties, and it seems to help a bit.
Originally Posted by theclencher
P.S. I must be a wierdo as I think just because a guy can afford to do something, doesn't mean he should. I can afford to buy 100 gallons of gas several times a month, pour it on the ground, light it (or not)... but I don't think I should.