CNET On Cars - Car Tech 101: Dual exhausts demystified

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Added 4 years ago by tomm

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http://cnet.co/1pCRBfb
Brian Cooley visits Johnny Franklin's Muffler in San Rafael, Calif., and shows you how a dual exhaust system works and whether you'd want or need one in your car.

Category: CARS-MOTORBIKES

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CNET On Cars - Car Tech 101: Dual exhausts demystified

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