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PDI has increased airflow by up to 35% over the factory design
the product may be used undiluted for maximum cleaning power
Improved airflow and optimized exhaust pressure-to-boost pressure ratios can help support better fuel efficiency
eliminating the traditional o-ring design used on some engines
Installation stays clean and straightforward while still delivering the benefits of a high-performance fuel system
CUMMINS ISX15 | X15 CHROME EXHAUST MANIFOLD Snapback PDI has increased airflow byIf 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
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