HKS Subaru 02-14 WRX / 04+ STI Stainless Steel Exhaust Manifold - 1419-RF001

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