Your Trusted Diesel Performance Tuning Specialists
Custom ECU Tuning - Reliable EGR, DPF And AdBlue Solutions
Unleash the full potential of your diesel vehicle with Ultimate Tuning's mobile ECU performance remapping, road dyno and emissions solution services. From cars, utes and vans to heavy commercial trucks and tractors, we've got you sorted.
We cover the lower North Island from Wellington to Wanganui, Palmerston North and the Wairarapa.
Genuine Professional Tuning Equipment
All Remaps Written In-House By An Experienced Tuner
30 Day Return-To-Factory Money Back Guarantee
Competitive Pricing
Mobile Remapping Workshop & Road Hub Dyno
Remaps Customised To Your Requirements
GST Registered Company
Combo Deals And Group Discounts Available
All Factory And Modified Tune Files Are Backed Up
Want To See What We Can Do For Your Vehicle?
Tuning Options
Cars, Utes and Vans
Commonrail diesel vehicles under 4.5 litres
Commonrail diesel vehicles under 4.5 litres
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Ultimate Tune $1350
Up to +35% gains. Our premium tuning package. Maximum torque and power gains possible while maintaining reliability. Incredible acceleration and power delivery. Extracts maximum power from upgrades such as performance exhausts and intercoolers. EGR delete included for FREE (retail price $550)
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Performance Tune $1200
Up to +20% gains. The perfect mid-range tune. Quick throttle response and vastly reduced turbo lag. Optimised torque curve for amazing towing capabilities. EGR delete included for FREE (retail price $550)
-
Economy Tune $1100
Up to +10% gains. Optimised for light towing and loaded adventure trips. Increased hill climbing and overtaking abilities. EGR delete included for FREE (retail price $550)
Emissions Coding
Cars, Utes and Vans
Commonrail diesel vehicles under 4.5 litres
-
EGR Delete $550
Full Exhaust Gas Relay (EGR) coding delete. Blanking plate required for some vehicles (not included). EGR Delete included for FREE with any tuning package
-
DPF Delete $750
Full Diesel Particulate Filter (DPF) coding delete. Requires either the DPF to be stripped/gutted internally, or replaced with straight pipe. $250 discount with any tuning package
-
AdBlue/DEF Delete $750
Full AdBlue/ Diesel Exhaust Fluid (DEF) coding delete. Some vehicles require extra coding to remove the AdBlue system, price listed is a minimum and will be adjusted accordingly. $250 discount with any tuning package
-
EGR Intake Clean $350
A professional maintenance procedure designed to effectively clean and restore the Exhaust Gas Recirculation (EGR) intake system in vehicles. This service utilises advanced cleaning solutions and equipment to remove carbon deposits, dirt, and other contaminants that can accumulate in the EGR system over time. Helps improve engine performance, reduce emissions, and enhance fuel economy
Tuning Options
Commercial/Heavy Vehicles
Commercial commonrail diesel vehicles subject to C.O.F
Commercial commonrail diesel vehicles subject to C.O.F
-
Heavy Duty Tune $2500
Up to +25% gains. Specifically designed for commercial vehicles such as trucks, buses, and heavy equipment. It focuses on increasing torque output and improving towing and hauling capabilities. EGR delete included for FREE (retail price $750)
-
Mid-Range Tune $2300
Up to +15% gains. This remap strikes a balance between economy and outright performance, providing a moderate increase in power while maintaining fuel efficiency. EGR delete included for FREE (retail price $750)
-
Economy Tune $1950
Up to +10% gains. Optimised for light towing and loaded adventure trips. Increased hill climbing and overtaking abilities. EGR delete included for FREE (retail price $750)
Cars, Utes and Vans
Commonrail diesel vehicles under 4.5 litres
Commonrail diesel vehicles under 4.5 litres
-
Ultimate Tune $1350
Up to +35% gains. Our premium tuning package. Maximum torque and power gains possible while maintaining reliability. Incredible acceleration and power delivery. Extracts maximum power from upgrades such as performance exhausts and intercoolers. EGR delete included for FREE (retail price $550)
-
Performance Tune $1200
Up to +20% gains. The perfect mid-range tune. Quick throttle response and vastly reduced turbo lag. Optimised torque curve for amazing towing capabilities. EGR delete included for FREE (retail price $550)
-
Economy Tune $1100
Up to +10% gains. Optimised for light towing and loaded adventure trips. Increased hill climbing and overtaking abilities. EGR delete included for FREE (retail price $550)
Commercial/Heavy Vehicles
Commercial commonrail diesel vehicles subject to C.O.F
Commercial commonrail diesel vehicles subject to C.O.F
-
Heavy Duty Tune $2500
Up to +25% gains. Specifically designed for commercial vehicles such as trucks, buses, and heavy equipment. It focuses on increasing torque output and improving towing and hauling capabilities. EGR delete included for FREE (retail price $750)
-
Mid-Range Tune $2300
Up to +15% gains. This remap strikes a balance between economy and outright performance, providing a moderate increase in power while maintaining fuel efficiency. EGR delete included for FREE (retail price $750)
-
Economy Tune $1950
Up to +10% gains. Optimised for light towing and loaded adventure trips. Increased hill climbing and overtaking abilities. EGR delete included for FREE (retail price $750)
Emissions Coding
Commercial/Heavy Vehicles
Commercial commonrail diesel vehicles subject to C.O.F
-
EGR Delete $750
Full Exhaust Gas Relay (EGR) coding delete. Blanking plate required for some vehicles (not included). EGR Delete Included for FREE with any tuning package
-
DPF Delete $1550
Full Diesel Particulate Filter (DPF) coding delete. Requires either the DPF to be stripped/gutted internally, or replaced with straight pipe. $250 discount with any tuning package
-
AdBlue/DEF Delete $2750
Full AdBlue/ Diesel Exhaust Fluid (DEF) coding delete. Some vehicles require extra coding to remove the AdBlue system, price listed is a minimum and will be adjusted accordingly. $250 discount with any tuning package
-
EGR Intake Clean $650
A professional maintenance procedure designed to effectively clean and restore the Exhaust Gas Recirculation (EGR) intake system in vehicles. This service utilises advanced cleaning solutions and equipment to remove carbon deposits, dirt, and other contaminants that can accumulate in the EGR system over time. Helps improve engine performance, reduce emissions, and enhance fuel economy
Cars, Utes and Vans
Commonrail diesel vehicles under 4.5 litres
-
EGR Delete $550
Full Exhaust Gas Relay (EGR) coding delete. Blanking plate required for some vehicles (not included). EGR Delete included for FREE with any tuning package
-
DPF Delete $750
Full Diesel Particulate Filter (DPF) coding delete. Requires either the DPF to be stripped/gutted internally, or replaced with straight pipe. $250 discount with any tuning package
-
AdBlue/DEF Delete $750
Full AdBlue/ Diesel Exhaust Fluid (DEF) coding delete. Some vehicles require extra coding to remove the AdBlue system, price listed is a minimum and will be adjusted accordingly. $250 discount with any tuning package
-
EGR Intake Clean $350
A professional maintenance procedure designed to effectively clean and restore the Exhaust Gas Recirculation (EGR) intake system in vehicles. This service utilises advanced cleaning solutions and equipment to remove carbon deposits, dirt, and other contaminants that can accumulate in the EGR system over time. Helps improve engine performance, reduce emissions, and enhance fuel economy
Commercial/Heavy Vehicles
Commercial commonrail diesel vehicles subject to C.O.F
-
EGR Delete $750
Full Exhaust Gas Relay (EGR) coding delete. Blanking plate required for some vehicles (not included). EGR Delete Included for FREE with any tuning package
-
DPF Delete $1550
Full Diesel Particulate Filter (DPF) coding delete. Requires either the DPF to be stripped/gutted internally, or replaced with straight pipe. $250 discount with any tuning package
-
AdBlue/DEF Delete $2750
Full AdBlue/ Diesel Exhaust Fluid (DEF) coding delete. Some vehicles require extra coding to remove the AdBlue system, price listed is a minimum and will be adjusted accordingly. $250 discount with any tuning package
-
EGR Intake Clean $650
A professional maintenance procedure designed to effectively clean and restore the Exhaust Gas Recirculation (EGR) intake system in vehicles. This service utilises advanced cleaning solutions and equipment to remove carbon deposits, dirt, and other contaminants that can accumulate in the EGR system over time. Helps improve engine performance, reduce emissions, and enhance fuel economy
Genuine Reviews. Verified Results. Honest Customer Feedback
Our customers trust Ultimate Tuning to protect their investment and provide them with reliable and professional tuning and coding solutions.
Posted on Carlos Orlando24 July 2025Trustindex verifies that the original source of the review is Google. Dave was awesome to deal with and went out of his way to facilitate the (stage 1) remap on my BMW, It has transformed the driving experience and would recommend his service to anyone wanting to extract the performance potential from their vehicle.Posted on Garth Hickling8 June 2025Trustindex verifies that the original source of the review is Google. Fast, professional, friendly. Unbelievable service and result. A Fiat Ducato 7.2 mtr camper that now climbs hills. Thanks DavePosted on Brad Atte La Crouche5 June 2025Trustindex verifies that the original source of the review is Google. Amazing service and a huge improvement in performance and power on my Cruser, highly recommend these guysPosted on Mark Byron Operation Landscapes31 May 2025Trustindex verifies that the original source of the review is Google. Great service highly recommend super friendly and down to earth people with great options availablePosted on Alexander Karantonis11 March 2025Trustindex verifies that the original source of the review is Google. Dave went out of his way to make sure everything was in order for a tune, top notch guy that knows his stuff & looks after his customers. ThanksPosted on Jay Tooms7 March 2025Trustindex verifies that the original source of the review is Google. Friendly, professional, fast service at a decent price, thank youPosted on newday025 February 2025Trustindex verifies that the original source of the review is Google. Just like to say to anyone out there who has high ace vans he’s the man to see for the ultimate tune. I know my high ace had a bit of power but after Dave tune that it was a big difference quick response on the throttle and power was there when you needed it.. It’s crazy how a change can bring out the best in the machine money well spent and so impressed what he done even my mates ended up being spellbound.. so grateful thank you DavePosted on Daniel O'Driscoll13 February 2025Trustindex verifies that the original source of the review is Google. Dave went above and beyond to look after 2 of our wagons we will definitely be using him again with any further work we needPosted on Marvin Maddocks22 January 2025Trustindex verifies that the original source of the review is Google. I am so pleased with the service I received. From the initial correspondence, leading up to the job, and the completion thereof, I felt to be in good hands. It was a pleasure to deal with Dave. Best of all, my car is feeling better than ever. Thanks DavePosted on Chad Daniels14 November 2024Trustindex verifies that the original source of the review is Google. Davey Gave my 2020 wildtrak a stage 3 tune and what huge difference 38% more power 10% better fuel efficiency goes like rocket. Best money I ever spent on it. Came to my job in Masterton from upper hutt . Great service great job and great price , he's the Man to see.
Tuning Pricing & Options For Your Vehicle
Looking for information about our ECU remapping services, need technical support or have any other questions? We’re here and happy to help!
Simply fill out the form and we will be in touch as soon as we can.
Prefer to text instead? Flick Dave a message on 0274644892, cheers!