1987-1991 BMW 325is Stainless Steel Exhaust Manifold Header Citroen Clutches & Parts - Intake Side Outer Diameter:

- Intake Side Outer Diameter: 38mm

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For 2011-2015 GMC 2500 & 3500 6

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28 Red color light with Red lens

1987-1991 BMW 325is Stainless Steel Exhaust Manifold Header Citroen Clutches & Parts - Intake Side Outer Diameter:Feature: 1. Getting more air into your engine and more exhaust out is the key to a performance motor. That's where exhaust headers is significant as the first revenue of an exhaust system. Exhaust performance headers manipulate the air flow with the performance robbing exhaust manifold that came with your car. 2. Headers provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders; thus, the