HKS EJ25 SUH 409 Turbo Exhaust Manifold
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The Subaru STI's factory exhaust manifold is reliable but has restricted performance potential. HKS, pioneers of aftermarket turbocharging, created an equal-length exhaust manifold with smooth bends for improved and unobstructed exhaust flow. This yields increased turbocharger response, horsepower, torque, and an aggressive sound. The package comes with gaskets and hardware, and its up-pipe flange is compatible with stock and aftermarket parts. The HKS Equal Length Exhaust Manifold will improve the turbo spool and power in the Subaru STI.
Equal Length Exhaust Manifold Specs:
- 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
| Includes Catalytic Converter | No |
|---|---|
| Installation Hardware Included | Yes |
| Manifold Design | Equal Length |
| Piping Id | 42Mm |
| Piping Material | 409 Stainless Steel |
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