The CARB Executive Order (E.O.) on this part ONLY covers 2001-2003 WRX models
BORLA PERFORMANCE INDUSTRIES is the pioneer and leader in the design and manufacture of stainless steel performance exhaust. Borla began three decades ago as a manufacturer of exhaust systems for such concours classics as Rolls-Royce and Ferrari cars and have evolved into the premier manufacturer of today's performance vehicles for the street, off-road, and racing. Every BORLA Cat-Back system, Header and Rear Section is made from austenitic stainless steel (superior to 409 or aluminized steel) employing mandrel-bent tubing, all-welded construction, and is designed for accurate fit and easy installation. Over 30 years experience and special merge collector technology provide the ultimate in power and endurance.