Will not fit Kia Sportage '98. I had to drill 3 holes on the bottom and weld the studs on because the short side of the studs have a different thread than the holes in the spool. The short side is the only side that can be inserted into these holes, as the long side meets the cat's body about 1/4 inch past the flange. The 5-bolt top uses factory cat cleats, these are threaded only. It had holes in it. The material inside was also very soft, with marks and dents that I suspected during the…