Just about any size'll do. Just make sure the little rubber/silicone connector that comes with it will either fit over the nipple of the box or find your own length of hose and completely replace the stock breather hose.


J.T. 2002 Chevrolet Silverado 294ci V8. Custom CAI, headers on the way... 1997 Mercury Mystique Zetec ATX Deceased February 2006