No Open Muffler: Is noise the real issue — or the way the law is being enforced?
Robel A. Almoguerra Ipinost noong 2026-01-18 20:49:10
MANILA, Philippines — Amid renewed crackdowns on loud motorcycle exhausts, a growing number of riders and local exhaust manufacturers are questioning whether the problem lies in aftermarket pipes—or in excessive noise and inconsistent law enforcement. The debate has resurfaced following reports of motorists being apprehended despite claims that their exhaust systems comply with the Land Transportation Office’s (LTO) 99-decibel limit.
One local exhaust maker issued a firm but balanced position: they support the apprehension of motorcycles with excessively loud exhausts, especially those that disturb communities, children, the elderly, and residents resting at night. However, they also stressed that enforcement must be grounded in proper procedure and objective measurement—not personal judgment or auditory perception alone.
According to the group, the law is clear: the issue is noise level, not whether an exhaust is stock, aftermarket, or modified. Without the use of a calibrated decibel meter, determining violations becomes arbitrary and prone to abuse. “If an exhaust system measures within the 99dB limit, why should it be confiscated or penalized?” the group asked.
They also addressed growing calls to penalize exhaust manufacturers themselves. Not all aftermarket exhausts are loud or illegal, they argued. Many riders replace stock pipes due to damage, accidents, corrosion, or a desire for improved performance without excessive noise. In fact, a significant portion of aftermarket exhausts are designed specifically for daily use and comply with legal sound limits.
The statement further clarified the distinction between aftermarket and modified exhausts. While aftermarket pipes can be compliant and quiet, modified exhausts—where internal components are altered—are often the source of excessive noise. Racing-spec exhausts, they emphasized, are clearly labeled for track use only and not intended for public roads, placing responsibility on riders for proper usage.
At its core, the issue raises a broader concern: laws are meant to regulate harmful behavior, not stigmatize lawful modifications. If enforcement loses fairness and precision, public trust erodes. In the end, the question remains: if the law is meant to control excessive noise, should enforcement focus on sound levels—or on appearances and assumptions? (Larawan: Autoindustriya.com)
