Up to 25% off your first Stage 1 file this month.Get started
Chiptuning specialists

Unlock more power

Custom, dyno-proven remaps from real tuners — see the exact gains and price for your car before you sign up.

  • Up to +30% power
  • Dyno-tested
  • 1h avg turnaround
  • All major tools

See your gains and price in seconds

Enter a plate or pick the car — no account needed.

Je kenteken wordt gebruikt om het voertuig op te zoeken en wordt bij je aanvraag bewaard zodat we een offerte kunnen maken.

Popular:AudiBMWMercedesVolkswagenFord
  • Dyno-testedOn our own bench
  • OEM-safeWithin tolerances
  • All major toolsKESS, KTAG & more
  • Pay per fileNo subscriptions

Why drivers choose us

Vehicle-specific remaps, developed and dyno-proven — not generic maps.

More power, measurable and proven

More power, measurable and proven

Vehicle-specific development for precise gains you feel on the road.

+30%more performance

  • Vehicle-specific optimisation
  • Dyno-proven results
  • Noticeable extra power
Safe, within OEM tolerances

Safe, within OEM tolerances

Every map stays within factory limits and keeps engine protection active.

100%OEM-safe

  • Within OEM tolerances
  • Engine protection intact
  • Reversible to stock
Delivered fast by real tuners

Delivered fast by real tuners

Upload your read and get a finished, tested file back — usually within the hour.

<1havg turnaround

  • Most files back in an hour
  • Free revisions
  • Support from real tuners

Real gains, real numbers

What a Stage 1 tune delivers on a popular platform.

VW Golf GTI Mk7

From 1 credits

Real dyno results — figures vary by vehicle condition and fuel quality.

Power+45 hp·+18%
Original
245 hp
Tuned
290 hp
Torque+70 Nm·+19%
Original
370 Nm
Tuned
440 Nm

How it works

From your car to a finished file in four steps.

  1. 01

    Find your car

    Search your plate or pick the model to see gains and price.

  2. 02

    Choose your tuning

    Pick a stage or option — the credit price is shown up front.

  3. 03

    Upload your file

    Send your original ECU read; we build and test the tune.

  4. 04

    Download the tune

    Get your finished, dyno-tested file back — fast.

Our services

From economy remaps to full hardware builds.

Stage 1

From 1 credits

Optimised power and economy on the standard, unmodified hardware.

petrol / diesel

Stage 2

From 1.5 credits

Tuned around downpipes, intakes and other bolt-on upgrades.

petrol / diesel

Stage 3

From 5 credits

Full hardware build — turbo, injectors and supporting mods dialled in.

petrol / diesel

DPF-off

From 1.2 credits

Particulate-filter removal from the map, handled on request.

diesel only

Files delivered
10k+
Avg turnaround
1h
Success rate
99%
Support
24/7
Vehicles & tools we support
  • Audi

  • BMW

  • Mercedes

  • Volkswagen

  • Porsche

  • Ford

  • Volvo

  • Škoda

  • Seat

  • Peugeot

  • Renault

  • Toyota

  • Alientech

    KESS3 · K-TAG

  • Autotuner
  • CMD

    Frieling

  • Dimsport

    New Genius · Trasdata

  • MagicMotorsport

    Flex · FlexBox

  • PCM-Flash

  • Foxflash
  • Bitbox

Rated 4.9/5 by 300+ customers

What our customers say

Real results from the workshops and drivers we work with.

Flawless service, huge gains

Noticeable difference on the road and a spotless file. Quick turnaround and clear communication throughout.
Mark de VriesOwner · DV PerformanceMarch 2026

My go-to file service

Every order is delivered fast and drives perfectly. Support answers within minutes when I have a question.
Sophie LaurentWorkshop manager · Laurent TuningFebruary 2026

Reliable and safe maps

Clean drivability with sensible margins. Exactly what my customers ask for, every single time.
Tom BeckerIndependent tunerJanuary 2026

Ready to unlock more performance?

Search your car, see the gains, and place your first order in minutes.

© 2026 JCT Chiptuning. Alle rechten voorbehouden.VAT NL003649231B30 · Reg. 82160252
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