Perrin Downpipe Front Section Subaru WRX 02-05/STI 04-07

If your factory catalysts are tired, broken or missing, PERRIN now offers 49-state approved catalyst replacements. Utilizing 3304 stainless steel, polished to a mirror finish, these are 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. (See warranty details included with each.)