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Density Speed and Performance 2017-2026 L5P Custom Tuning Support Package
$950.00 USD
Unlock the full potential of your 2017-2026 L5P Duramax with Density Speed and Performance's Custom Support Package. This comprehensive service delivers personalized ECU calibrations tailored to your specific build, driving goals, and fuel type preference. Whether you're chasing peak horsepower, maximizing fuel economy, or balancing both, our expert tuners leverage advanced Dyno diagnostics and real-world testing to dial in optimal performance.
Includes custom tune development, support through the tuning process, and guidance on complementary modifications to safely extract maximum power and efficiency. Ideal for owners running upgraded fuel systems, air intake, or exhaust modifications looking to optimize their investment.
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24/7 Support
30 Days Return
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Frequently asked questions
What is the return policy?
Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right.
Are any purchases final sale?
We are unable to accept returns on certain items. These will be carefully marked before purchase.
When will I get my order?
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Where are your products manufactured?
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.
How much does shipping cost?
Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.