Ours
BitBox
The N75-linked BitBox in our bay. Every in-shop flash, OBD and bench. Nothing for you to buy.
PriceGet a quote
Services · Tuning
Hyundai N, Kia Stinger and Genesis ECU tuning in Tennessee.
Files written by N75, flashed in our bay, logged on the road. A base file arrives within a weekday.
How it works
N75 calibrations, flashed in our bay, logged on the road.
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Inspect
Plugs, leaks and codes. The pre-tune inspection, on every car.
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Read the ECU
On the N75-linked BitBox or your EK1.
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Portal ticket
The read, VIN and mod list go to N75 on one ticket.
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Base file
Back from N75 in under 24 hours on weekdays.
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Flash
Over OBD, or on the bench for 2024+ Elantra N and DCT8.
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Log WOT pulls
3rd and 4th gear on the road. Logs clean? Final file. Not clean? Revision.
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N75 revisionRevision loop
24–48 hours a round, up to three rounds. Then back to the flash.
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Final file
Handoff, with a 30-day check.
A base file arrives within a weekday; each revision round after a log upload takes 24–48 hours, and the standard bundle covers three rounds.
Devices
Which one is yours.
Yours
EK1 Mini2+
For owners who want multi-map storage and home logging. Registered to the car; 2024+ Elantra N needs the bench harness.
PriceGet a quote
Yours
Powergate
Alientech phone flasher sold by N75 for N cars. VIN-locked; for owners who flash from a phone, not a shop tool.
PriceGet a quote
Same day
Spare ECU
A pre-flashed ECU swapped in, so the car leaves tuned the same day. The answer for the 3.3T.
PriceGet a quote
Not sure? Start a quote and we pick with you. Most owners need nothing: we flash on our BitBox.
By platform
How each platform is delivered.
| Platform | Delivery | Revisions | Same-day option | Price |
|---|---|---|---|---|
| Elantra N, Veloster N, Kona N | OBD flash in our bay; bench for 2024+ Elantra N | base + 3 | LAP3 spare ECU | Get a quote |
| 1.6T Smartstream | Bench flash, Stage 1 or Stage 2 | base + 3 | — | Get a quote |
| Stinger / G70 3.3T | N75 mail-in file, low or high boost | base + 3 | LAP3 spare ECU | Get a quote |
| 2.5T (Stinger, G70, K5 GT, Sonata N-Line) | N75 send-in or Pro-Tuner piggyback | base + 3 | N75 spare ECU | Get a quote |
| DCT8 TCU | Bench flash, Stage 1 or Stage 2 | base + 3 | — | Get a quote |
Pre-tune inspection is required before any tune. Extra revision rounds are quoted separately.
Rules
Stated as rules.
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No tune without the pre-tune inspectionPlugs, boost leak, oil and codes. N75 cannot screen remote cars, so we are the screen.
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Colder plugs on every Stage 1+NGK HR9 set or HKS M45, sold with the file.
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Revisions are a countBase file plus three rounds; extra rounds are quoted.
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Written disclosure before flashingPowertrain warranty exposure, Bluelink and Kia Connect behavior, and our emissions policy.
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Stock file keptEvery car's stock read stays on the shop drive; flash-back is available.
Emissions
Emissions-intact calibrations.
Street cars get emissions-intact calibrations. We do not flash cat-delete or O2-delete files on street-registered cars, and we do not install catless downpipes. Read the full policy.
FAQ
Tuning questions.
N75 Motorsports writes every file. We read and write the ECU in our bay and review the logs on the road.
No. We flash in-house. The one exception is the 3.3T, which is an N75 mail-in file or a LAP3 spare ECU swapped in the same day.
The pre-tune inspection: plugs, boost leak, oil and codes. No tune without it.
A tune voids powertrain coverage. You sign a written disclosure before any flash, we keep your stock file, and flash-back is available.
Certified dealer and installer
- LAP3 USATurbos, spare-ECU tunes
- N75 MotorsportsECU and TCU calibrations
- SXTH Element EngineeringIntakes, inlets, BOVs