Exhaust Noise - Legislation - SEMA

Roush Performance Achieves 50-State Certification for 2021 Stage III​

STORY HERE - https://www.fordmuscle.com/news/roush-performance-2021-stage-iii-mustang/

EXCERPT -

Roush Performance has just released that its 2021 Stage-III Mustang, with either 750 or 775 horsepower has now received full, 50-state emissions compliance. This puts Roush Performance as a fully compliant new vehicle manufacturer. This not only ensures the vehicle emissions systems will perform to OEM standards for tailpipe, evaporative, and diagnostics for a minimum of 150,000 miles, but also offers peace of mind to enthusiasts who want to own a highly modified car but do not want to run the risk of running afoul of the law and the potential of incurring emissions-related fines.
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LATEST SPEED MANUFACTURER/VENDOR CYA STATEMENT -​

Emissions Control Warning:

It is illegal to sell, install, or offer for sale any aftermarket part that alters or modifies the original design or performance of the motor vehicle pollution control system. Product(s) listed here is(are) solely for Competition Vehicles(race vehicles) that are for Off-Road, Track Racing ONLY. All parts are for use on a vehicle that will NEVER be used, or licensed, or registered for use upon a street and highway. DO NOT Purchase the part(s) if you are intending to use it(them) on a Street/Highway vehicle(s).

All Products by XXX (MANUFACTURER/VENDOR of CHOICE) are solely for Competition Vehicles(race vehicles) that are for Off-Road, Track Racing ONLY. All parts are for used on a vehicle that will NEVER be used, or licensed, or registered for use upon a street and highway. DO NOT Purchase the part(s) if you are intending to use it(them) on a Street/Highway vehicle(s).
 
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