3 ms·Why not use baffles?by AYBABTME 3y agoWhy not use baffles?Manuel_D 3y agoThe porous structure of sponges effectively acts like a baffle.Washuu 3y agoBasically, this. ^ I fitted an off road style fuel tank on a truck I had, but I opted for the version without sponges/baffles. It would try to stall when stopping on a low tank.