2011-2014 MUSTANG GT/BOSS SPORT MUFFLER KIT (49 STATE)

The “Forty-nine States Street Legal" icon means Ford Motor Company has determined that this part does not have an adverse effect on emissions when installed and used properly in the application(s) identified in the product description and may be installed in vehicles driven on public roads and highways. However, this part does not have regulatory approval for use in California and can not legally be registered or used on vehicles in California. The use of this product in California may subject the user to penalty provisions under California law.