We Custom Dyno Tune All 4Jj3 Isuzu D-Max & Mu-X & Mazda Bt-50 Models With Awesome Performance Gains!

We custom dyno tune ALL 4JJ3 Isuzu D-MAX & MU-X & Mazda BT-50 models with AWESOME performance gains!

Ultimate Diesel Tuning

Check out the gains from PWR's brand new intercoolers, paired with a custom dyno tune by us at UDT!

Ultimate Diesel Tuning

2022 DMAX 4JJ3 Dyno tune - Stock tyres Vs 35” tyres

PROCHECK Automotive Mechanical & Dyno Tuning

Another 4JJ3 D-Max gets lots more grunt!

Ultimate Diesel Tuning

HUGE POWER 4JJ3 ISUZU D-MAX! How did we do it?

This new D-Max gets a tickle up!

Ultimate Diesel Tuning

4JJ3 Isuzu Dmax - Dyno Tuning

We've spent a LOT of time developing our tuning for these new rigs! Now we are ready to rock & roll!

Ultimate Diesel Tuning

Isuzu D-Max X-Terrain adds DPCHIP-X. Easy Install. Dyno Tuned Proven and Pre-installed Tuning.

Berrima Diesel Australia

2025 Isuzu D-Max Review: A Game-Changer in the Pickup World!

Isuzu D Max 4JJ3 Ecu Remapping

Independent Motorsports

4JJ3 DPF Solution Pipe to standard exhaust - What does it sound like?

PROCHECK Automotive Mechanical & Dyno Tuning

Isuzu Dmax 4JJ3 dyno tune

PROCHECK Automotive Mechanical & Dyno Tuning

Another BRAND NEW D-Max (4JJ3) in for MORE power & torque!

Ultimate Diesel Tuning

4JJ3 BT50 & DMAX 3” TURBO BACK EXHAUST WITH RESONATOR. What does it sound like?

PROCHECK Automotive Mechanical & Dyno Tuning

4JJ3 Tune and limi

All Aussie Tuning

8 DUAL CAB UTES DYNO TESTED – Surprising results! Biggest gains & how we got them!

We gave this BRAND NEW Isuzu MU-X (4JJ3 engine) a LOT more power & torque!

Ultimate Diesel Tuning

2015 Isuzu Dmax 3.0L 4JJ1 0-100km/hr stock vs Tuned

HoldenSpecialVehicle

The new 4JJ3 Mazda BT-50s make AWESOME gains in both power & torque with a custom dyno tune alone!

Ultimate Diesel Tuning