If your factory catalyst is tired, broken or missing PERRIN now offers a replacement catalytic converter that is approved for all states that do not require CARB approval. Utilizing 3” 304 stainless steel, polished to a mirror finish, this is an excellent alternative to the inefficient factory replacements. Using a metallic substrate, our converters are guaranteed to l take the extreme heat produced by high horsepower motors and do so for miles and miles.