Anybody tried Flowtech headers? I'm specifically looking at their shorty headers, the 12131FLT. It's a very compact design, as opposed to the "tuned length" designs out there, so install would be substantially easier. They do have a tuned length version which comes in a ceramic coating that also looks fairly compact compared to BBK and other similar designs, but not crazy about the 1-7/8" primaries for my n/a street car with bolt-ons.