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We recommend starting from the top of your vehicle and making your way down
For Use with Big Boss Exhaust Manifold PN 7443
Available in Standard "
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PDI Big Boss Volvo D13 | Mack MP8 Exhaust Manifold Coating:Black Ceramic We recommend starting from theAvailable for: Volvo D13 and Mack MP8 2016 2021 Key Benefits Up to 20% increase in airflow over stock 75 100 degree cooler EGTs Made in the USA Warranty: 3 Year Unlimited Mile Warranty PDI Big Boss Exhaust Manifolds are designed to maximize exhaust air flow to reduce turbo lag time and cool exhaust temperatures. In the design of the manifold each port is analyzed and tested to provide a balanced flow to the turbocharger. Big Boss Exhaust Manifolds