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rinse it off
dependable turbo without the added actuator
Advanced FR3 Nano Lubricant technology reduces friction
having the right install kit helps make sure the job is done right the first time
the PDI Big Boss design increases airflow by up to 20%
CUMMINS ISX15 | X15 CHROME EXHAUST MANIFOLD Snapback rinse it offIf youre looking to improve the performance and durability of your Cummins ISX15 or X15, the PDI Big Boss Exhaust Manifold is engineered to deliver better airflow, cooler exhaust temperatures, and improved turbo response. PDI designed this manifold to maximize exhaust airflow, helping reduce turbo lag and allowing the turbocharger to spool more efficiently. During development, each runner was carefully analyzed and tested to ensure balanced airflow