Cobb Tuning Subaru 02-07 WRX / STI SS 3" Cat-Back Exhaust - 512100 89mm 8% HP / +18

8% HP / +18

This is a core-only option for those looking to increase the cooling capacity of their 2011-2014 WRX or STI in situations where piping already exists or needs to be custom-routed

1/8th NPT port for fuel pressure regulator

Most Subarus are equipped with either a 2

PROPERTIESViscosity grade SAE J 300 5W-30Density at 20°C (68°F) ASTM D1298 0

Cobb Tuning Subaru 02-07 WRX / STI SS 3" Cat-Back Exhaust - 512100 89mm 8% HP / +18EMISSIONS This part is not an emissions related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION The COBB catback exhaust for the WRX & STI does not deviate from the factory emissions equipment and conforms to the SAE dictated 95 decibel exhaust noise level limit enforced by California, as well as other states in the US. This system is modeled after the stock factory exhaust fitment locations, therefore making it an easy