Air & Fuel Delivery

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FAQS

It prevents catastrophic CP4 injection pump failure. When the CP4 fails from contaminated or low-quality fuel, it dumps metal debris into the fuel system — destroying injectors and costing thousands in repairs.

Factory tank sumps restrict fuel flow at high demand. An upgraded sump with an integrated return prevents fuel starvation during hard cornering, steep inclines, and low fuel levels — keeping your injection pump lubricated.

Yes. High-output tunes demand more fuel volume and pressure. An undersized supply side causes lean conditions that can crack pistons. Always build your fuel system before chasing horsepower with a tune.

Use a two-stage filtration setup: 10-micron primary (stock location) plus a 2-micron secondary filter before the CP3/CP4. This extends injection pump life significantly on trucks running biofuels or dirty diesel.