Eighteen Year Old VOE Mufflers

As far as automotive great ideas that go away and come back, this has to rate up there with the 58 Ford retractable.
In today's market, there are literally thousands of cars and trucks driving around with some type of 'push a button-quiet to loud' exhaust. The fact that the idea was put into production originally in 1970, essentially abandoned for 30 years and now more popular than ever, is pretty cool.