Precision Mufflers Home ›› Local Listings ›› NSW ›› Croydon ›› Precision Mufflers NSW Automotive Croydon, NSW 2132 John Chamoun(02) 9716 4800 Precision Mufflers has the largest range of mufflers and exhaust systems in Australia.We are also into car servicing and have the best mechanic in the industry. We also provide pink slips for employment. A complete Muffler Shop in the industry providing services best of all times.