PDI Big Boss Exhaust Manifold — CAT C15 ACERT (2005–2009)

Big Boss exhaust manifold for 2005–2009 CAT C15 ACERT. Improves airflow and reduces EGTs over the restrictive twin-turbo OEM manifold.

OEM cross: 350-8622, 355-3534.

1-year unlimited-mile warranty.

Genuine PDI part supplied and installed by TDC Truck and Diesel.