HKS Stainless Steel Equal Length Exhaust Manifold - 2008-2021 Subaru STI

HKS Stainless Steel Exhaust Manifold for Subaru EJ25 Motor

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).

DETAILS:

• 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

Spectral Performance proudly carries performance upgrades by one of the biggest names in the industry, HKS. Since 1973, HKS has been a leading innovator in turbocharger technology, and many of their products have been utilized on world-class race cars of all makes and genres. Today, HKS continues to engineer high-performance engine components and turbo kits to improve the power and the performance of your vehicle.