BRAND NEW Flowtech headers for LS. I bought these for my 5.3 swapped Jeep and they didn't clear the motor mounts. I had them blasted and coated with 3 coats of VHT satin black header paint. They just need to be heat cycled to cure. They have 3/8" flanges, 1 5/8" 16 gauge primarys, and I have...