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Tune Files, Performance Parts & More — Everything Your Vehicle Needs, Shipped Fast Across the USA

  • Your One-Stop Shop for Diesel Performance

    The Parts. The Tune. The Whole Build.

    Whether you're after a custom tune file, a FASS fuel system, Weld wheels, or drive shafts
    — we've got you covered from start to finish.

  • Custom Tuning Built Around You

    More Power Starts With the Right Tune.

    We dial in your truck the way you actually drive it — more torque, better throttle response, and real fuel savings..
    No generic files, no guesswork

Secure Payment

Shop with confidence. Every transaction is encrypted and processed through trusted, secure payment gateways.

30 Days Warranty

All products are backed by our 30-day satisfaction guarantee — buy with complete peace of mind.

24/7 Support

Our diesel tuning experts are available around the clock to answer questions and keep you moving.

FASS Fuel System

If you’re serious about your diesel, clean fuel delivery isn’t optional. FASS systems pull air, water, and contaminants out of your fuel before they reach your injectors — protecting your engine and giving you smoother, more consistent power. We stock them and can recommend exactly what fits your setup.

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Tune Files

Our custom tune files are built for your specific truck, not pulled off a shelf. More horsepower, better throttle response, improved fuel efficiency — and tuned safely so you’re not trading longevity for power.

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Best Seller Products

Our most popular picks — from tune files to parts, trusted by diesel truck owners across the country.

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New Mexico Autos EZ Lynk Tune Files (2017-2019 Duramax L5P 6.6L)

Price range: $925.00 through $1,250.00
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New Mexico Autos RTD4 Tune Files (2024-2026 Duramax L5P 6.6L) – Global B

$500.00
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New Mexico Autos Custom Tuning SCT Tune Files (2011-2019 Powerstroke 6.7L)

Price range: $325.00 through $450.00
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New Mexico Autos EZ Lynk Tune Files (2023-2026 Powerstroke 6.7L)

Price range: $650.00 through $2,100.00
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EDE Gauges

$259.95
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EDE Spark Plug Wires

$69.95
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EDE Spark Plug Wires

$71.95
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EDE Spark Plug Wires

$106.95
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Your Vehicle. Your Goals.
Your Tune.

 No two diesel trucks are exactly alike — different mods, different loads, different driving habits. That’s why we take the time to understand your setup before we touch anything. You tell us what you’re after, and we build a tune that actually delivers it. Safely, reliably, every time.

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Top Rated FASS Fuel Systems

Better fuel filtration means healthier injectors, smoother throttle, and consistent pressure even under load. These are the systems diesel truck owners keep coming back for.

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FASS FASS Connect

$349.00
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FASS FASS Connect

$299.00
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FASS FASS Connect

$99.00
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FASS FASS Connect

$66.00
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I purchased the RTD4 Tune Files for my 2025 Duramax L5P, and the difference is night and day. The throttle response is crisp, and the added torque makes towing heavy loads feel effortless. This is how these trucks should have come from the factory!

David Warner

I purchased the RTD4 Tune Files for my 2025 Duramax L5P, and the difference is night and day. The throttle response is crisp, and the added torque makes towing heavy loads feel effortless. This is how these trucks should have come from the factory!

David Warner

Why Choose Us

Engineered for Excellence, Repaired with Care

We understand the passion, the drive, and the thrill of building a car that performs beyond expectations. Our team isn’t just a group of professionals — we are car enthusiasts, engineers, and tuners who know what it takes to extract maximum performance from every vehicle.

  • Premium-quality automotive parts & accessories
  • Custom ECU and performance tuning tailored to your vehicle
  • Trusted brands with proven results
  • Expert technical support from experienced professionals
  • Secure, fast, and user-friendly online shopping

Premium Wheels & Rims

 great truck deserves great wheels. Our Weld wheel lineup is built for durability, load capacity, and a stance that turns heads — whether you’re on the highway or the job site.

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WEL Alumastar 1-Pc Wheels

$1,075.00
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WEL Alumastar 1-Pc Wheels

$1,049.00
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WEL Alumastar 1-Pc Wheels

$905.00
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WEL Alumastar 1-Pc Wheels

$905.00
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