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

Korsh x Cobb Engine-Back UEL Package — Subaru WRX Auto 2011–2014 / STI 2011–2021

Part Number: COB-EEB-UEL-11-AUTO | Fitment: Subaru WRX (Automatic) 2011–2014 & Subaru STI 2011–2021

The complete engine-back exhaust solution for your EJ-powered Subaru — with the iconic boxer rumble kept intact. This curated package pairs Korsh's unequal length headers and auto-specific downpipe with the Cobb cat-back exhaust system — everything from the engine to the tip, engineered to work together for maximum flow, faster spool, and that unmistakable Subaru exhaust character. Bolt it on and feel the difference across the entire rev range.

Note: Unequal length headers retain the iconic Subaru boxer exhaust note.

Package Contents

Vehicle Fitment

Package Highlights

• ✅ Complete engine-back solution — headers, downpipe, and cat-back in one package
• ✅ Korsh unequal length headers — retains the iconic Subaru boxer exhaust note
• ✅ Korsh downpipe — engineered specifically for automatic transmission fitment
• ✅ Cobb cat-back exhaust — proven performance, refined tone
• ✅ All components designed to work together for optimal flow and fitment
• ✅ Direct bolt-on — all gaskets and hardware included

Fitment Notes

• ✅ Unequal length headers retain the iconic Subaru boxer exhaust sound
• Downpipe (KOW-EXHDP-08-AUTO) is specific to automatic transmission variants
• ECU tuning recommended for optimal performance

Available Part Numbers:

• KOR-MAN-ULH-001 — Korsh Unequal Length Headers
• KOW-EXHDP-08-AUTO — Korsh Downpipe (Auto)
• 515132 — Cobb Cat-Back Exhaust System

Suits Subaru WRX Auto STI EJ engine unequal length headers downpipe cat-back exhaust engine back package Korsh Cobb automatic transmission 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021.