Challenger MT All 655C 8.4 - 264hp

Real standard and upgraded performance figures for the 655C 8.4 - 264hp engine in the Challenger MT All.

Below: measured output for the 655C 8.4 - 264hp in the Challenger MT All, standard vs. remapped, in both horsepower and torque.

Horsepower (HP)Torque (Nm)
Standard2641
Stage 13101
Stage 23331
Make
Challenger
Model
MT
Generation
All
Engine
655C 8.4 - 264hp
Fuel type
diesel

Frequently asked questions

Is Stage 1 tuning safe for the Challenger MT All 655C 8.4 - 264hp?

Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.

How much more power does the 655C 8.4 - 264hp make after tuning?

Standard output is 264 HP / 1 Nm; Stage 1 on this engine typically reaches 310 HP / 1 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Challenger MT All 655C 8.4 - 264hp remap take?

Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.

Can the 655C 8.4 - 264hp be reverted to its original file?

Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.