Cobb/Korsh Engine Back Package: Subaru WRX 11-14/STI 11-21 (UEL)

Complete Engine Back Exhaust System for Subaru WRX (2011-2014) & STI (2011-2021) Transform 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 complete engine-back exhaust upgrade: unequal-length headers, downpipe, and cat-back exhaust system with dual mufflers and polished tips. Package Includes Cobb 515132 – Cat-Back Exhaust System Complete turbo-back exhaust with mandrel-bent stainless steel construction High-flow design maximizes exhaust velocity and reduces backpressure Dual muffler configuration for aggressive sound without drone Polished stainless steel tips for premium appearance All necessary gaskets, hardware, and installation components included Korsh KOR-EXHDP-08 – High-Flow Downpipe Precision-engineered downpipe for maximum turbo efficiency Eliminates restrictive factory catalytic converter Mandrel-bent construction maintains consistent diameter throughout TIG-welded stainless steel for durability and corrosion resistance Includes high-quality gaskets and stainless steel hardware Korsh KOR-MAN-UEL-001 – Unequal-Length Headers Unequal-length design preserves the iconic Subaru boxer rumble Mandrel-bent primary tubes optimize exhaust scavenging Thick-wall stainless steel construction withstands extreme temperatures Complete hardware kit with gaskets, studs, and heat wrap included Designed to work seamlessly with factory or aftermarket turbochargers Performance Benefits Power Gains: Significant horsepower and torque increases throughout the RPM range Improved Throttle Response: Reduced backpressure allows the turbo to spool faster Enhanced Sound: Deep, aggressive exhaust note with classic Subaru rumble Weight Reduction: Lighter than factory exhaust components Durability: Premium stainless steel construction resists corrosion and heat damage Fitment & Specifications Vehicle Application: Subaru WRX (2011-2014), Subaru STI (2011-2021) Material: 304 Stainless Steel Construction: Mandrel-bent tubing, TIG-welded Finish: Brushed stainless with polished tips Installation: Professional installation recommended Tuning Required: ECU tuning required for optimal performance and to prevent check engine lights Available Part Numbers Cobb 515132 – Turbo-Back Exhaust System Korsh KOR-EXHDP-08 – High-Flow Downpipe Korsh KOR-MAN-UEL-001 – Unequal-Length Headers Why Choose COORE? At COORE, we specialize in premium performance parts for enthusiasts who demand the best. This Cobb/Korsh package represents the pinnacle of exhaust engineering, combining proven performance with exceptional build quality. We stock these components locally in Australia for fast shipping, and our team has extensive experience with Subaru performance applications. Important Notes: This is a race-use product and may not be legal for street use in all jurisdictions. Professional installation and ECU tuning are strongly recommended. Check your local emissions regulations before purchase. Lead times may vary – contact us for current availability. Transform your Subaru’s performance with this complete engine-back exhaust solution. The combination of unequal-length headers, high-flow downpipe, and premium cat-back system delivers the power, sound, and quality you’ve been searching for.