Huntsville prohibits modified exhaust systems, loud stereos, and engine racing that create unreasonable noise. Enforcement focuses on Memorial Parkway, University Drive, and Governors Drive corridors. Ala. Code 32-5-215 requires functional mufflers statewide.
Alabama Code Sec. 32-5-215 requires every motor vehicle to have a muffler in good working order to prevent excessive or unusual noise, and expressly prohibits cutouts, bypasses, or similar devices. Huntsville Code Chapter 16 reinforces this by prohibiting sound systems audible at 50 feet and engine racing at night. Huntsville Police Traffic Division actively enforces along Memorial Parkway (US-231), University Drive (US-72), Governors Drive, and I-565 on-ramps, where nighttime cruising complaints are common. Violators typically face a $100-$250 fine plus vehicle inspection order. Repeat or egregious offenders (straight-pipe exhaust, illegal drag racing) face misdemeanor charges under Ala. Code Sec. 32-5A-178 (exhibition driving). HOA covenants near Redstone Arsenal and Cummings Research Park may add private enforcement.
Loud exhaust/stereo: $100-$250 citation plus court costs; equipment violation on vehicle inspection. Exhibition driving (racing): up to $500 fine and possible 30-day license suspension under Ala. Code 32-5A-178.
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Huntsville, AL
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