Johnson J40 Remapping

Johnson J40 Tuning

Johnson J40 Remapping

Stage 1 and Stage 2 remaps tailored to the Johnson J40. Pick your generation below to drill into the engines we cover.

20+ years' experience
Lifetime software warranty
4,000+ dealers worldwide
In-house custom calibration
Johnson logo

Johnson

Custom tuning for the Johnson J40

Every Johnson J40 remap from Elite Remaps is developed and tested in-house by our own calibration engineers. We unlock stronger performance, sharper throttle response and improved economy while keeping everything within safe limits, and back it all with a lifetime software warranty.

The Johnson J40 has been offered in several generations and engine options over the years. Select your generation below to see the exact engines we tune and their indicative Stage 1 and Stage 2 gains.

Johnson J40 generations

Choose your generation

Why Johnson J40 owners choose Elite Remaps

Custom software developed and tested in-house
Lifetime software warranty on every remap
Trusted by 4,000+ dealers worldwide
Stage 1, Stage 2 & emissions solutions
Genuine gains in power, torque and economy
Over 20 years of tuning expertise

Book your Johnson J40 remap

Speak to our tuning specialists for a free, no-obligation quote on your Johnson J40.

Tuning services

Explore our services

From Stage 1 to emissions solutions, explore the tuning services we offer for your Johnson J40.

Where we work

Areas we cover

Visit our Leeds workshop or use our nationwide mobile service across West Yorkshire and beyond.

Frequently asked questions

Common questions about remapping the Johnson J40.