Exhaust for Vespa 400 (1957-1961) by stainless steel The exhaust is made of 304 stainless steel, Heat-isolation layer, Mesh layer, Stainless steel tube long, the baffles. The exhaust is copied from the original in shape, size and is perfectly comparable to the original bumper. The current bumper models we have: Mercedes, Datsun, BMW, Volvo, Volkswagen, Jaguar, Ford, Opel, Triumph. . . More than that, we always want to work towards developing more new models. So we are searching for samples from any ...