NOTE: The CF plenum cover is no longer in production or for sale.
The E39 M5 manifold is known to be a weak point when it comes to forced induction. Running the risk of damaging your hood, or even worse your engine. We developed a solution that will eliminate this concern. Our plenum cover allows the user to run high boost pressure without the risk of the manifold cover rupturing. The RK Autowerks carbon fiber manifold is an aerospace grade carbon fiber with reinforced aluminum in the necessary location. This piece is not only functional but it’s aesthetically appealing as well. You’ll know driving under those extreme conditions that your car is running at 100% but when you open your hood, you’ll be sure to attract attention!
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