At State Ave Auto & Muffler, located in Chehalis, WA, we specialize in complete auto repair as well as custom exhaust work. We have been serving the Lewis County area since 1978 and are experienced and knowledgeable with all makes and models of cars and trucks. Our Services Include: -Complete Auto Repair - Foreign & Domestic -Transmissions -Air Conditioning -Tune-Ups -Brakes -Diagnostics -Engine Work -Custom Exhaust Work Please call today and schedule an appointment!