I've got BBK LTs on mine. I would never attempt an install like that. My shop had to drop the k-member and entire front suspension to do these things. I don't think shorties would be nearly as bad, but then again in my personal opinion, a set of shorties isn't worth the money, time, sweat, stress, and irritation of a header install (and even worse if you're paying someone by the hour), so if you're going to do it (and believe me it's a worthwile mod if you have other mods to compliment it), go Longtubes.