As a leading supplier of exhaust and aftertreatment products, we produce advanced noise and emission control products tailored to meet rigorous on/off highway standards. Our compact solutions deliver compliance while improving operational efficiency, safety, and environmental sustainability. We have designed products to meet and exceed the following standards:

United States:

• EPA Tier Standards for Nonroad Engines (40 CFR Parts 89, 1039)
• Federal Transit Administration (FTA) Noise and Vibration Manual
• 49 CFR Part 210
• SAE J1169
• FHWA Noise Standards (23 CFR Part 772)

Canada:

• CSA Z107.10
• Canadian Environmental Protection Act (CEPA)
• Railway Noise Measurement and Reporting Standards (Transport Canada)
• Canada Motor Vehicle Safety Standards (CMVSS)
• Provincial Transportation Noise Guidelines

To learn more about EI Williams, call us at (905) 428-0950 or toll-free at 1-877-840-3347 or you can also email us at info@eiwilliams.com for further inquiries.