HKS Stainless Steel Equal Length Exhaust Manifold 2006-2014 WRX / 2004-2021 STI
DESCRIPTION
Experience enhanced exhaust performance with the HKS Equal Length Header (Exhaust Manifold) designed for the Subaru EJ25 motor. Compatible with the 08-14 Impreza WRX/STI and the newer 15+ STI models, this manifold replaces the OEM header, offering improved flow dynamics and performance. Employing a 4-1 setup, it enhances both low and high-range performance, while mid-range performance remains at OEM levels. This configuration ensures a balanced enhancement across the RPM range. With consistent factors, the HKS Equal Length Header optimizes exhaust flow, resulting in improved spool and creating a win-win situation for enthusiasts seeking increased power from their OEM turbo setup or utilizing OEM-style 2-bolt flanged pipes. Moreover, this manifold proves to be a valuable addition for those aiming to reduce Exhaust Gas Temperature (EGT).
FEATURES
- Made using SUH409 stainless steel materials
- Designed to optimize exhaust flow while increasing spool
- Improves horsepower
- Improves torque
- Produces an aggressive exhaust note
- Accepts the stock up-pipe and aftermarket up-pipes with a stock-like flange
- Includes new gaskets, hardware, and heat wrap, and worm clamps
COMPATIBILITY
2006-2014 WRX
2004-2021 STI