HKS Stainless Steel Exhaust Manifold - Subaru Models (inc. 2002-2014 WRX / 2004+ STI)

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 to improve the power and the performance of your vehicle. 

Here, you are looking at the HKS Stainless Steel Exhaust Manifold. This manifold has been designed using durable stainless steel construction that has been combined with smooth bends and premium welds to be a direct replacement for your factory exhaust manifold. The result is more horsepower and torque, improved throttle response with reduced turbo lag, all while saving weight.

DETAILS:

• SUS304 stainless steel construction
• Premium welds
• Designed to optimize exhaust flow while increasing spool
• Unequal design
• Improves horsepower and torque
• Improves throttle response and reduces turbo lag
• Creates an aggressive exhaust rumble
• Works with the stock up-pipe, or any aftermarket up-pipe that utilizes the 2-bolt flange
• Includes (2) manifold gaskets
• Includes (1) up-pipe gasket
• Includes heat wrap
• Includes zip ties and an O2 sensor plug