Rod Johnsen, owner of Chopper Rods Inc. in Douglas, said it isn't illegal to install an after-market exhaust and they're installed all the time.
Every car that rolls off a factory assembly line comes with an exhaust system that eventually needs to be replaced, Johnsen said. It's not illegal to take that vehicle to a local muffler shop and repair it. The same holds true for motorcycles, he said.
"An after-market exhaust system is completely legal," Johnsen said.To read the rest of the article: http://dailygleaner.canadaeast.com/cityregion/article/474663