How to Repair Corvette Exhaust Manifolds. ... a track forms thatetches the metal mating surfaces. ... Various 3/8-16 nuts have been used over the years toconnect the head pipe to the exhaust manifold.

There’s plenty of other hacks, too – from quick and dirty pipe bends to handy sheet forming techniques. ... 20 thoughts on “ Building A Scooter Exhaust From Scrap Metal ” ...