- Exhaust Stud Clamp Kit for V8 & V10 Trucks. - The clamp slides over your truck's manifold ear and reattaches your down-pipe and flange to the exhaust manifold, fixing the exhaust leak. - This clamp is designed to be a easy and cheap alternative to fixing exhaust leaks caused by broken or rusted studs. - This kit is for replacing the studs on your exhaust manifold, it is best suited for ford Trucks but can be applied to other exhaust systems as well.