2.5T tuning pre-orders are open Custom ECU tuning for Kia, Genesis and the Hyundai N platform

Safe tuning begins withKnowledge

Kia Stinger & Genesis ECU tuning, drive with confidence, powered by knowledge and data.

Performance parts, tuning, and build packages for Kia and Genesis platforms.

New platform / Pre-orders open

2.5T tuning. Pre-order now.

  • Genesis G70 2.5T
  • Kia Stinger GT-Line 2.5T
  • Kia K5 GT
  • Hyundai Sonata N-Line

From $495 Delivering November–December

Remote flash $495 (flashing hardware optional, +$595) · or Spare ECU $1,495 total

Pre-orders are non-refundable.

SleepyTuned's own Hyundai Sonata N-Line 2.5T development car, from the rearWe don't tune a platform we don't own. So we bought one.

Home of the World's Fastest Genesis G80 Sport

Vehicles

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New platform

Hyundai N

Elantra N · i30 N · Veloster N · Kona N

One ECU tune covering the N platform, flashed remotely with the EK1 or in person. Same calibration work, same data, now for the N cars.

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Parts & packages

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Tuning & builds

Tuning & Build Packages

Built on our bench. Calibrated on our software.

Crate engines, head studs, turbo kits and built transmissions, specced for your car, assembled here, and tuned by the same people who put them together. Installation available.

A Lambda short block on the bench during a SleepyTuned engine build
Learn before you flash

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Discover several in-depth articles, guides, and reviews to help you with your vehicle modifications and maintenance. Whether you're looking for tuning tips, step-by-step maintenance instructions, or part reviews, we've got you covered!

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