

COLUMBUS, MS · TUNING NATIONWIDE

PRECISION TUNING.
PROVEN PERFORMANCE.
MADE FOR RACERS. BY RACERS.
From street-driven performance builds to dedicated race cars and diesel trucks, JTunedit delivers custom engine and transmission calibrations designed around your vehicle, modifications, and performance goals.
GAS & DIESEL PERFORMANCE SPECIALISTS
GM LS / LT DURAMAX POWER STROKE CUMMINS
BUILT FOR YOUR PLATFORM.
Find performance tuning solutions tailored to your vehicle.

01
GM LS / LT PERFORMANCE
Custom engine and transmission tuning for naturally aspirated, boosted, and nitrous-assisted GM performance applications.
ONE BRAND. EVERY KIND OF PERFORMANCE.

02
DURAMAX DIESEL
Vehicle-specific engine and transmission calibrations for responsive power, drivability, towing, and performance.

POWER STROKE DIESEL
Custom Ford Power Stroke tuning tailored to your truck, its configuration, and its intended use.
03

04
CUMMINS DIESEL
Custom Cummins solutions focused on performance, drivability, and application-specific calibration.
DIALED IN. NOT OFF THE SHELF.
PERFORMANCE SERVICES
01
CUSTOM ENGINE TUNING
Vehicle-specific calibration built around your engine, modifications, fuel, and goals.
02
TRANSMISSION TUNING
Refined shift strategy, torque management, and converter setup for supported transmissions.
03
REMOTE TUNING
Custom calibration and datalog review for supported vehicles nationwide.
DIESEL PERFORMANCE
DIESEL PERFORMANCE.
DIALED IN.
Unlock the potential of your diesel platform with custom engine and transmission tuning developed around your truck, driving requirements, and performance goals.
DURAMAX
CUMMINS
POWER STROKE
Emissions-compliant solutions. Vehicle compatibility verified individually.

REMOTE TUNING. NATIONWIDE.
YOUR VEHICLE. OUR CALIBRATION. ANYWHERE.
Professional custom tuning doesn't have to stop at the shop. Work with JTunedit from across the country with remote solutions for supported vehicles.
Availability depends on vehicle support, equipment, and your specific application.
02
GET YOUR CUSTOM CALIBRATION
We develop a vehicle-specific calibration with instructions for supported tuning devices.
03
DATA LOG. REFINE. PERFORM.
Submit requested datalogs for review and calibration adjustments as needed.
WHY JTUNEDIT?
BUILT ON EXPERIENCE.
DRIVEN BY PERFORMANCE.
CUSTOM CALIBRATIONS
Every build is different. Our approach considers your configuration, modifications, and intended use.
REAL RACING EXPERIENCE
Performance is our passion. Our approach is shaped by hands-on street and track applications.
GAS & DIESEL EXPERTISE
High-performance GM gasoline engines and modern diesel trucks, together under one brand.
PERSONALIZED SUPPORT
Work directly with a performance-focused tuner who values proper calibration and communication.
REMOTE & IN-PERSON OPTIONS
From Mississippi and South Carolina to supported vehicles across the country.
PERFORMANCE-FOCUSED APPROACH
Attention to power delivery, drivability, vehicle configuration, and your goals.
FROM THE STREET TO THE STRIP.
REAL BUILDS. REAL PERFORMANCE.
Explore the vehicles, projects, and performance applications behind JTunedit.
GM LS / LT PERFORMANCE
Build profile coming soon
DURAMAX PERFORMANCE
Illustrative imagery. Verified customer builds, results, videos, and reviews will be added when supplied.
Build profile coming soon
POWER STROKE PERFORMANCE
Build profile coming soon
PERFORMANCE. ON AND OFF THE TRACK.
THE JTUNEDIT LINEUP.
Product imagery is illustrative. Final designs and product details subject to confirmation.
THE DRIVER'S PERSPECTIVE
VERIFIED CUSTOMER STORIES
Real feedback deserves real proof. Customer testimonials will be published here only after verification and permission.
THIS IS JTUNEDIT.
MADE FOR RACERS.
BY RACERS.
A performance-driven approach, shaped by hands-on experience and a passion for getting the most from every build. Gas or diesel. Street or track. It starts with understanding your vehicle.
Based in Columbus, Mississippi, with additional service availability in Lake City, South Carolina, and remote tuning nationwide.







