J's Racing 4-2-1 Exhaust Manifold - B-Series Applications

JS-XA-H3

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*Special order, Ships in 1-2 months. Please call for availability. 

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The J's Racing B-Series header was designed to increase the powerband. From the low-speed range to high rotation, the J's header is designed to provide an increase in power throughout due to it's torque oriented design. The header is made of stainless steel and features a pipe diameter of 42.7-50.8-60.5φ





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