I bet mine are close to the same as yours and I am running Hooker Super Comps. They could easily make them an inch or two higher if they had a person modify the inner fender which wouldn't be that hard to do. It sure would beat having them hang so low.
This is the first summer I've had the headers on the car. I've scraped them a couple of times and had one major impact only going a mile or two out of a parking lot that had a bad lip at the exit. Ouch! I didn't wreck anything but it didn't sound very good.
I'm thinking of making a new set of headers this winter out of stainless with a few modifications to make them fit better with more ground clearance. It shouldn't be too hard if I go bythe Super Comps that are on the car and adjust them to suite my needs.