1993 Ford Cobra Mustang - Increasing Toxicity
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The Performer RPM II intake manifold can accept up to a 75mm throttle body. Beyond that, you'll need to modify the manifold opening as shown here. We used the throttle body gasket to mark the opening, and then opened it using a carbide bit in a die grinder. Be careful not to break into the outside neck of the intake manifold. View Related Article
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