Yes, and many aftermarket sets say "not for road use". Harley Davidson was fined for installing them on too many daily drivers. https://www.reuters.com/article/

Yes, and many aftermarket sets say "not for road use". Harley Davidson was fined for installing them on too many daily drivers. https://www.reuters.com/article/us-usa-harley-davidson-lawsuit-idUSKCN10T1JP https://www.reuters.com/article/us-usa-harley-davidson-lawsu...