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Bill

S 1716

An Act regulating illegal exhaust systems for motor vehicles

194th Legislature (2025-2026) Introduced by James Arena-DeRosa and 4 co-sponsors

Massachusetts bill regulates illegal aftermarket exhaust systems to reduce noise pollution and emissions violations through enforcement penalties and compliance standards.

Bill reported favorably by committee and referred to the committee on Senate Ways and Means
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Bill Summary · S 1716

Legislative bill overview

S 1716 seeks to regulate or ban illegal aftermarket exhaust systems on motor vehicles in Massachusetts. The bill would establish penalties and enforcement mechanisms for vehicles equipped with non-compliant exhaust modifications that violate noise and emissions standards.

Why is this important

Illegal exhaust systems create excessive noise pollution affecting residential neighborhoods and public spaces, and can increase harmful emissions by bypassing pollution controls. Enforcement of exhaust regulations improves air quality, reduces noise complaints, and levels the playing field for vehicle owners who comply with existing standards.

Potential points of contention

  • Enforcement challenges: Police and inspectors would need training and resources to identify illegal systems; burden falls on already-stretched law enforcement
  • Definition disputes: Disagreement over what constitutes an "illegal" system and where legitimate performance modifications end and illegal ones begin
  • Economic impact on automotive aftermarket: Restrictions could affect legitimate performance shops and enthusiasts who modify vehicles legally in other states
  • Inspection costs: Vehicle inspections to verify compliance could increase costs for owners and create bottlenecks at inspection stations

Compiled from official sources — confirm details with the bill’s official record.

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