PDI Big Boss Volvo D13 | Mack MP8 Exhaust Manifold
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Available for: Volvo D13 and Mack MP8 2007-2021
- High Quality HSM Material
- Improved Joint Seal Design
- Made in the USA
Warranty: 3 Year Unlimited Mile Warranty
At PDI, we use only the best material for our products. We use a superior grade of High Silicon with Molybdenum Ductile Iron (HSMD) that eliminates weak points such as warping, cracking, and failure from heat erosion. This material, combined with a redesign of the mounting surfaces, eliminates common failures due to a fatigued manifold.