Pay in 4 interest-free payments of $248.12 Learn more
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Featuring a premium new casting and internal components
and torque
PDI Big Boss CAT C12 Stage 1 Cylinder heads are meticulously designed to surpass the most demanding expectations
Original Price $1695
Available for: 2021-2024 Cummins X15 High Hp Engines
PDI Big Boss Detroit 60 Series EGR Exhaust Manifold 5495621 Featuring a premium new castingAvailable for: 2003 2006 Detroit Series 60 12. 7L and 14L Key Benefits 20% increase in airflow over stock in key areas 75 100 degree cooling of EGTs Made in the USA Warranty: 2 Year Unlimited Mile Warranty The BIG BOSS Series 60 EGR Exhaust Manifold from PDI has been designed to maximize the exhaust air flow to reduce turbo lag time and reduce exhaust temperatures. Stock and other manufacturers fall short as their design constricts the airflow