Street Remote
Torque is unleashed, the speed limiter removed. PNP TUNE calibration developed from comparable setups.
Stock machine, or with a Stage 1 air filter and exhaust.
- €350 calibration only
- €600 complete pack with RTD4
Indian Motorcycle · 2021 · HP Tuners Remote RTD4
Indian Motorcycle Vintage Limited tuning
Your engine. Our calibration.
Indian Motorcycle Vintage Limited, 2021: this model is on the HP Tuners list that PNP TUNE verified on 11 September 2026. Reading, calibration and programming are done remotely, with the RTD4 interface and TDN. The 180 km/h limiter goes and torque arrives lower in the rev range.
PNP TUNE checks this compatibility model year by model year, never assumed from another machine in the range. No unlock step is needed here: the ECU reads directly through the RTD4 interface.
01 / What the HP Tuners list says
Machine sheet
- Brand
- Indian Motorcycle
- Model
- Vintage Limited
- Years
- 2021
- Interface
- HP Tuners RTD4, exchanges through TDN
- HP Tuners cable
- E5 cable, red connector
- ECU
- Bosch MG1CA007 Gen 1 et Gen 2, ME17
- Unlock
- None: the ECU is read directly
- Verification
- HP Tuners list, verified by PNP TUNE on 11 September 2026
02 / Street or Custom
Two levels for your Vintage Limited.
Custom Remote
Individual tuning based on your machine’s data, with remote analysis and adjustments.
Stage 2 and beyond, engine parts, specific use.
- €630 calibration only
- €880 complete pack with RTD4
Move from Street to Custom later: €333, without buying another RTD4.
03 / What you need
Three situations, one answer each.
The RTD4 is what links your machine to our workshop. Your situation decides what we send you.
- 01
No RTD4 yet
The complete pack: HP Tuners RTD4 interface, the HP Tuners cable for the machine, credit pool and calibration.
€600 complete pack with RTD4 · €880 complete pack with RTD4 - 02
RTD4 with the HP Tuners cable for the machine
The calibration only, credit pool included.
€350 calibration only · €630 calibration only - 03
RTD4 with a different cable
The calibration plus the HP Tuners cable for the machine (€55). Only an HP Tuners cable is accepted, no cable from another brand, even a cheaper one.
See my solution for my Vintage Limited
You choose the exact year at the next step. The VIN will be requested at checkout.
04 / Stage 1, Stage 2, Stage 3
The tune follows the part.
A freer exhaust, an open filter: the ECU of your Vintage Limited still applies the values calculated for the stock exhaust. The Stage 1 you are after is that part plus the calibration that goes with it. Stage 2, 3 or 4, camshafts, displacement, injectors or heads: that is Custom Remote territory, with datalogging.
Indian names its own “Stage 1” kits: exhaust, intake, and the calibration that makes them work together. An Arlen Ness intake on a Thunderstroke or an S&S Stealth on a Scout opens the airflow: the tune is what turns it into a result.
We do not sell or fit these parts.
05 / Remote
Remotely, in four steps.
- 01
Connect
Plug the RTD4 interface and the HP Tuners cable into the machine.
- 02
Read
Identify the machine and read it from where it is parked.
- 03
PNP calibrates
The read travels through TDN. PNP TUNE builds the calibration for the recorded setup.
- 04
Program
The file comes back into the app. The calibration is programmed following the guided procedure.
With Custom Remote the loop continues: ride, send the data, PNP analysis, refinement if needed.
06 / Questions
Precise answers, so you can choose directly.
01Is my Indian Motorcycle Vintage Limited 2021 compatible with the RTD4?
Yes. It is on the HP Tuners list that PNP TUNE verified on 11 September 2026. Choose the exact year when ordering: the calibration is tied to the model, the year and the ECU.
02Which HP Tuners cable for a Vintage Limited?
E5 cable, red connector
03Street Remote or Custom Remote for a Vintage Limited?
Street Remote for a stock or Stage 1 machine: the limiter goes and torque is unleashed, from a calibration proven on comparable setups. Custom Remote when the build goes further or when you want a tune built on your machine’s own data, with datalogging and remote adjustments.
04Do I have to send the ECU?
No. The ECU stays on the machine: it is read in place with the RTD4 interface and the HP Tuners cable, and the files travel through TDN.
05Are the factory safeties kept?
Yes. PNP TUNE disables neither the engine protections nor the factory emissions functions. The work covers the agreed calibration parameters, inside the ECU tables.
07 / Same family
Other Indian Motorcycle models on the HP Tuners list.
The whole Indian Motorcycle range The Indian Motorcycle shop
Ready to order?