Cobb/Korsh Exhaust Engine Back Package: Subaru WRX 11-14/STI 11-21 (ELH) Ford-Mustang GT-2015 Increase Vehicle Performance

Increase Vehicle Performance

Radium fuel pump hanger sold separately

water/methanol injection tubing

The R&D team took these all-new powerhouses deep into the lab to extract the hidden power lurking under the hood

For vehicles equipped with secondary air injection (SAI) the IE intake is equipped to connect to the factory line without having to purchase an additional kit

Cobb/Korsh Exhaust Engine Back Package: Subaru WRX 11-14/STI 11-21 (ELH) Ford-Mustang GT-2015 Increase Vehicle PerformanceTransform your Subaru's performance and sound with this comprehensive Cobb Korsh Engine Back Package. This complete exhaust solution combines Cobb's proven engineering with Korsh's precision manufacturing to deliver maximum flow, aggressive tone, and significant power gains from the turbo outlet all the way to the rear bumper. Engineered specifically for the Subaru WRX (2011 2014) and STI (2011 2021), this package includes everything needed for a