CAT 3406E/C15/C16 CHROME EXHAUST MANIFOLD Combustion Technologies 20% increase in airflow over

20% increase in airflow over stock manifolds

If you’re ready to ditch the factory twin turbo setup on your 2004

or right before a weekend you've been looking forward to

When paired with a PDI turbo and exhaust manifold

helping the turbocharger spool faster while lowering exhaust restriction

CAT 3406E/C15/C16 CHROME EXHAUST MANIFOLD Combustion Technologies 20% increase in airflow overIf youre looking to upgrade the exhaust side of your CAT 3406E, C15, or C16, the PDI Big Boss Chrome Exhaust Manifold is designed to improve airflow, reduce exhaust temperatures, and enhance turbo response. This performance manifold is engineered to maximize exhaust airflow, helping the turbocharger spool faster while reducing restriction in the exhaust system. Each runner has been carefully analyzed and tested to ensure balanced exhaust flow into the