Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm — Stage 1 file (+78 hp)

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Chip tuning for Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm ECU

Cummins ISX (I) 450ST 14.95L 452hp (332kW) 2244Nm — industrial diesel engine of the commercial segment of the Cummins Inc. group (США, 1919). Stage 1 chip tuning raises power from 452 to 530 hp (+78 hp, +17%) and torque from 2244 to 2480 Nm (+236 Nm).

The Cummins B-Series is an iconic engine line (Dodge Ram, agricultural machinery). The Cummins ECU is a locked platform, tuned through specialised tooling. Cummins is the world leader in heavy-duty diesel-engine production volume. DPF/SCR with AdBlue is standard on modern Cummins engines. The Cummins B-Series, ISX and QSB are the main engine families. The top Cummins ISX marks the power ceiling for American trucks.

EFILive, MM3 and MiniMax are the main tools for Cummins (not the standard WinOLS). The US Cummins community is the world's largest for Dodge Ram and heavy trucks. Cummins confidently reaches Stage 2 with hardware (turbos, injectors). The top Cummins ISX engines mark the power ceiling of the American truck segment.

Frequently asked questions

How much does the power of the Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm increase after Stage 1?

Stage 1 chip tuning on the Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm boosts engine output by 78 hp: from 452 to 530 hp. Torque rises from 2244 to 2480 Nm (+236 Nm).

What changes in the Cummins ISX ECU after Stage 1?

Stage 1 on the Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +78 hp with no hardware changes.

What does Stage 1 give on the top-spec Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm?

On the top-spec Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.

How does Stage 2 differ from Stage 1 on the Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm?

Stage 2 for the Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.

Does Stage 1 void the warranty on the Cummins ISX?

Stage 1 on the Cummins ISX voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.

How quickly is chip tuning of the Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm done?

The full remap cycle for the Cummins ISX — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.

Can you return to stock after Stage 1 on the Cummins ISX?

The original Cummins ISX ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.

How much does Stage 1 cost for the Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm?

The cost of Stage 1 for the Cummins ISX 450ST 14.95L 452hp (332kW) 2244Nm is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno