The Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel bent stainless steel tubing Mandrel-bending ensures the tubing maintains its shapes and size throughout the entire length, providing smooth, unrestricted airflow. From the Investment cast flanges to the custom hangers, all Injen exhaust systems are 100% TIG welded and handcrafted in the USA and include all tubing, mufflers, and hardware necessary for a hassle free installation. Each system is uniquely designed to offer an aggressive sound that brings out some massive power. Like all other Injen products, the Injen exhaust systems are proudly built in Pomona, CA.
– Direct fit for the
2008-2013 Subaru Sti L4-2.5L Turbo
2011-2013 Subaru WRX L4-2.5L Turbo
– Does not fit 2015+ WRX Models
– Dyno Proven gains of up to 24 hp and 12 lb-ft. of torque
– TIG-Welded for Strength and Durability
– Downpipe w/Divided Wastegate Discharge
– High Flow Catalytic Converter
– 304 Stainless Steel Tubing
– Designed and Made in Pomona, CA
Note: This part is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles.