How to fix the Rooster’s Performance Muffler

A performance chiropractor has found a way to fix a Rooster exhaust system that is causing the rooster’s performance muffler to flop up and down on the driver’s seat, knocking the car’s occupants out of the car.The company that manufactures the Roosters performance muffers, Performance Auto Chiro, says it has tested the Roos performance muffling […]

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