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Performance Tuning

GM Performance & Transmission Tuning in Metro Atlanta

Unlock your vehicle's true potential with ECU tuning in Atlanta. KardoTuned provides performance tuning in Georgia for drivers from Lithonia, Stone Mountain, Decatur, and Conyers, and all of Metro Atlanta. Street-focused calibrations designed for real-world performance and reliability.

What We Offer

TUNING SERVICES

From factory-stock to fully calibrated, we transform your vehicle's performance with precision tuning.

ECU Tuning

Custom ECU remapping that optimizes fuel delivery, ignition timing, and torque management for maximum power and drivability.

  • Street-focused calibrations
  • Remote tune revisions included
  • Performance bolt-on support

Transmission Tuning

Optimized shift schedules, torque converter lockup, and clutch engagement for sharper response and smoother power delivery.

  • Shift quality optimization
  • Throttle response improvement
  • Firmware updates & adaptations

Calibrations & Adjustments

Fine-tune your vehicle with speed limiter adjustments, AFM/DFM management, cooling fan calibration, and more.

  • Speed limiter adjustments
  • Tire size calibration
  • Temperature calibration

Programming & Coding

Module programming, PCM/TCM replacements, used ECU setup, and vehicle coding for accessories and modifications.

Idle & Startup Correction

Idle quality issues, startup problems, and rough running conditions resolved through precise calibration adjustments.

Supported Platforms

PLATFORMS WE TUNE

Trucks & SUVs

  • Gen V 5.3L and 6.2L (L83, L84, L86, L87)
  • Gen IV LS trucks

Performance Cars

  • LT1 and LT4 Camaro and Corvette
  • LS-powered cars

Transmissions

  • 6L80
  • 8L90
  • 10L80

Don't see yours? Send your year, make, model and VIN and we'll confirm support.

Starting Prices

POPULAR TUNING REQUESTS

Many of these can be handled on their own or bundled into a full custom calibration. Pricing varies by platform and vehicle.

AFM/DFM disable $75
Tire size / speedometer correction $75
Speed limiter adjustment $75
Cooling fan temperature calibration $75
Shift firmness and shift point tuning $200
Full custom calibration with data logging $300

Starting prices. Final quote depends on platform, condition, and modifications.

Three cars parked in concrete garage
Ready to Optimize

UNLOCK YOUR
VEHICLE'S POTENTIAL

Whether you're running factory stock or built for performance, our tuning services deliver measurable results you can feel.

Free Consultation
Remote Tuning Support
Tune Revisions Included
Tools & Technology

PROFESSIONAL EQUIPMENT
& TECHNOLOGY

We invest in industry-leading diagnostic and programming tools to deliver precise, reliable service for your vehicle. Our professional-grade equipment ensures your car gets the attention it deserves.

HP Tuners

Custom ECU and TCM calibration and data logging.

GM Techline Connect / SPS2 via J2534 Pass-Thru

Factory GM module programming.

Topdon Phoenix Max

OEM-level diagnostics, bidirectional tests and coding.

Oscilloscope

Signal-level electrical and CAN bus testing.

Dedicated Programming Power Supply

Stable voltage during every flash.

Professional-grade tools ensure your vehicle receives the precise care it needs — every time.

Tuning services are for vehicles operated in compliance with applicable emissions laws. KardoTuned does not remove, disable or modify emissions control equipment or software on vehicles used on public roads. Results vary by vehicle, condition and modifications.