Cox Muffler is located at 1006 S Timberland Dr., Lufkin, TX. This business specializes in Auto Parts, Welding Services and Towing. Cox Muffler is open Mon, 8am-5pm; Tue, 8am-5pm; Wed, 8am-5pm; Thu, 8am-5pm; Fri, 8am-4:30pm; Sat, Closed; Sun, Closed and accepts American Express, Cash, Discover, Mastercard and Visa.