Product Details: If your factory catalysts are tired, broken or missing PERRIN™ now offers 49-state approved catalyst replacements. Utilizing 3” 304 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.)  Contact PERRIN or your local dealer for additional information.

Fits:

Subaru WRX (06-07)
Subaru WRX (02-05), STI (04-07)