exhaust system. There are companies that manufacture complete “stock
look” exhaust system kits for such cars. They can be found through ads
in car magazines, clubs, the Internet, or by word of mouth. Some
systems are better fitting or more factory correct than others, so get
recommendations before buying.
Exhaust parts for ’89 Caprice 9C1 cop car are not common so
someone installed a shorter aftermarket catalytic converter and
changed everything else to fit.