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

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

Fitment: Subaru WRX (Automatic) 2011–2014 & Subaru STI 2011–2021

The complete engine-back exhaust solution for your EJ-powered Subaru. This curated package pairs Korsh's equal length headers and 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 a refined exhaust note. Bolt it on and feel the difference across the entire rev range.

Note: Equal length headers will remove the iconic Subaru boxer exhaust note in favour of a more conventional, refined exhaust character.

Package Contents

Vehicle Fitment

Package Highlights

• ✅ Complete engine-back solution — headers, downpipe, and cat-back in one package
• ✅ Korsh equal length headers — 304 stainless, cast flanges, faster turbo spool
• ✅ Korsh downpipe — engineered 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

• ⚠️ Equal length headers will remove the iconic Subaru boxer exhaust sound
• Downpipe (KOW-EXHDP-08-AUTO) is specific to automatic transmission variants
• Confirm OE electronic suspension cancellation kit requirements if applicable

Available Part Numbers:

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

Suits Subaru WRX Auto STI EJ engine equal length headers downpipe cat-back exhaust engine back package Korsh Cobb automatic transmission.