PDI Big Boss Volvo D13 | Mack MP8 Exhaust Manifold Coating:Polished Ceramic OEM Cross Reference 3804502

OEM Cross Reference 3804502

Crafted for the most demanding applications

If you are looking for enhanced shine and protection

Fits factory exhaust manifold

and W900B models

PDI Big Boss Volvo D13 | Mack MP8 Exhaust Manifold Coating:Polished Ceramic OEM Cross Reference 3804502Available 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