Bully Dog’s performance intake manifold features smoother contours and larger ports, greatly improving airflow and providing even distribution of the air/fuel mixture to each cylinder. The performance intake manifold is a direct bolt-on replacement with no modification necessary. Increase horsepower, torque, and efficiency to give your rig the performance it needs to tackle any challenge.
Typically fits Cummins® ISX CM870 14.9L ’03-’07.
Our intake manifold reduces fuel consumption through an efficient, free-flowing design.
Performance Performance Increase horse power by replacing your restrictive stock intake. Internal fins promote greater laminar flow with 85% CFM increase over stock.
Direct stock replacement with no modification necessary.
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