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Intake Manifold

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Big Boss™ Intake Manifolds are one of the simplest and easiest upgrades for your ISX or X15 Cummins Engine. Improved airflow brings you increased performance and improved fuel economy! Requires no modifications to existing engine components to install in a small amount of time. Made in the USA.
PDI Big Boss Intake Manifold Cummins X15 and ISX15 | 2013.5-2022
PDI Big Boss Intake Manifold Cummins X15 and ISX15 | 2013.5-2022
PDI Big Boss Intake Manifold Cummins X15 and ISX15 | 2013.5-2022
from $1,545.00
BIG BOSS INTAKE MANIFOLD CUMMINS ISX CM2250
BIG BOSS INTAKE MANIFOLD CUMMINS ISX CM2250
BIG BOSS INTAKE MANIFOLD CUMMINS ISX CM2250
from $1,545.00
CUMMINS ISX INTAKE MANIFOLD CM870
CUMMINS ISX INTAKE MANIFOLD CM870
CUMMINS ISX INTAKE MANIFOLD CM870
$525.00
CUMMINS ISX INTAKE MANIFOLD CM871
CUMMINS ISX INTAKE MANIFOLD CM871
CUMMINS ISX INTAKE MANIFOLD CM871
$525.00
Dynaflex Chrome Air Intake Kit | Peterbilt 389
Dynaflex Chrome Air Intake Kit | Peterbilt 389
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