https://www.youtube.com/watch?v=vfYzRn2dAh0

Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/93/C/direct-fit-catalytic-converter Is your car or truck's old catalytic converter hurting your gas mileage? In this video, Andy explores the different ways a catalytic converter could become fouled, clogged or damaged, which can lead to reduced fuel mileage by increasing back pressure to the engine! Working harder to force exhaust gasses through a damaged or clogged catalytic converter reduces an engine's efficiency!

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