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Tomei introduced the high efficiency 4-1 as an alternative option opposed to the STD 4-2-1. The exhaust efficiency of the standard exhaust manifold is not perfect, and the Tomei 4-1 type exhaust manifold offers exceptional exhaust flow efficiency.
The Tomei unequal length exhaust system retains the famous boxer rumble while increasing both horsepower and torque figures for your boxer engine powered Subaru.
*Photos for marketing purposes only. Actual product may vary in appearance / style.

Ships within 48 hours · Estimated delivery Jun 27 - Jul 2
US$40
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