Overtake Exhaust Manifold Hardware KitOvertake Exhaust Manifold Hardware Kit. Get Your Header Bolted Up Right If you have ever removed the exhaust manifold on your Subaru, you will know how quickly the factory hardware can corrode after countless heat cycles and exposure to moisture. The Overtake Exhaust Manifold Hardware Kit is the simple, reliable solution for replacing tired hardware and securing your header properly. This kit includes 6 new stainless steel studs to fasten the header