Anecdotally I've heard that they are mostly used as a way to stop riced out Japanese cars. Not ppl on motorcycles. As someone who has run straight pipes across

Anecdotally I've heard that they are mostly used as a way to stop riced out Japanese cars. Not ppl on motorcycles. As someone who has run straight pipes across two major cities never had an issue. A bunch of motorcyclists don't even have licenses lol.