{"data":{"id":"us-nh/rsa-266-59","jurisdiction":"us-nh","citation":"RSA 266:59","heading":"Muffler; Prevention of Noise.","body":"I. Every motor vehicle shall at all times be equipped with a muffler as defined in RSA 259:66, in good working order and in constant operation to prevent excessive or unusual noise, and no person shall use a muffler cutout, bypass or similar device upon a motor vehicle on a way.\nII. The engine and power mechanism of every motor vehicle shall be so equipped and adjusted as to prevent the escape of excessive fumes, smoke, flame, gas, oil or fuel residue.\nIII. [Repealed.]\nIV. No person shall operate a motor vehicle with a straight pipe exhaust system; \"straight pipe exhaust system\" means any straight- through exhaust system that does not contain baffles or otherwise does not meet the definition of muffler in RSA 259:66. Any person who violates the provisions of this paragraph shall be guilty of a violation and shall be fined not less than $100 for a first offense, not less than $250 for a second offense in a calendar year, and not less than $500 for a third or subsequent offense in a calendar year.","path":["Title XXI: MOTOR VEHICLES","Chapter 266: EQUIPMENT OF VEHICLES","Miscellaneous"],"source_url":"https://gc.nh.gov/rsa/html/XXI/266/266-59.htm","current_through":"2025 regular legislative session, or December 2025","vintage":"","retrieved_at":"2026-09-05T14:36:09Z","sha256":"5b1586a345fe53f29fad7d97536b9f97d5b6bc602571da4b7673189d1fb0295b","source_id":"us-nh","stale":false,"prev":"us-nh/rsa-266-58-a","next":"us-nh/rsa-266-59-a"},"notice":"GroundRules: Original legal text. Not legal advice."}