Tomei Expreme Exhaust Manifold - Subaru EJ205/207/255/257 Unequal Length For Single Scroll Hardware meaning "evolution

meaning "evolution

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we adopted the latest MHI turbocharger

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Tomei Expreme Exhaust Manifold - Subaru EJ205/207/255/257 Unequal Length For Single Scroll Hardware meaning "evolutionWe introduced the high efficiency 4 1 as against the STD 4 2 1. The exhaust efficency of the standard exhaust manifold is not perfect. But Tomei 4 1 type exhaust manifold has high efficency. You could see the change of dramatically driving feeling. The complete equal length is good for the exhaust intervention but reduce the turbine performance and increase the exhaust resistance. Contrary to that, the not equal length exhaust manifold can lead the