These exhaust products are of premium quality and made to original factory specifications in the USA. Only the heaviest gauge aluminized tubing available is used for these Exhaust Systems. Mufflers have correct factory brackets when needed and are also aluminized to eliminate early rust out. All kits are compression bent just like originals for that concours look. H-Pipes and hanger kits are sold separately. They have been test fitted on the appropriate model prior to production to insure a trouble free installation. This has exact same bends and curves as original 2" exhaust systems. If running factory GT tips modification is requires on end of tail pipe and exhaust tip. Also due to very tight clearances in the seat pan reinforcement area, professional Installation is recommended for convertibles.