Tomei Expreme Unequal Length Exhaust Manifold Turbo Subaru 2002-2014 WRX / 2004-2019 STI

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SKU TB6010-SB02A

Tomei proudly introduces the high efficiency 4 to 1 manifold for the Subaru WRX EJ20, EJ25; building upon Subaru's existing 4-2-1 design. The exhaust efficency of the standard exhaust manifold is not perfect, but  the Tomei 4-1 type exhaust manifold with its increase in efficiency comes very close to perfection. The unequal design helps the engine exhale a bit easier because it takes into consideration which cylinders are in the exhaust phase in order to reduce any sort of back pressure. One can definitely feel the difference while driving with one of these manifolds installed.  

Tomei Expreme manifolds are made of high quality certified T304 stainless steel and are tig welded for a more precise and perfect finish.  They also come with everything you need to get the job done right

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