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Best L5P Delete Kit for Duramax: Top 5 Mods for Sierra & Silverado HD (2017–2026)
If you drive a 2017–2023 GMC Sierra or Chevy Silverado with the 6.6L Duramax L5P engine you already know it's built for work and built to last. But with the right upgrades, your truck can run stronger, sound better and perform like a whole new machine.
These are the top 5 diesel performance mods that L5P owners across the United States trust to boost horsepower, improve towing and make their trucks more reliable.
All-In-One L5P DPF/DEF/EGR Delete Kit
GMC Sierra / Chevy Silverado L5P (2017–2023)
- Better towing power for long hauls across the interstate.
- Improved fuel mileage on cross-country trips.
- Fewer breakdowns and costly emissions-related repairs.
Cat & DPF Delete Pipe
GMC Sierra / Chevy Silverado L5P (2017–2023)
- Faster turbo spool-up for stronger acceleration.
- More pulling power when hauling heavy loads.
- Works great with a performance tune for even bigger gains.
Down-Pipe Back Race Exhaust System
GMC Sierra / Chevy Silverado L5P (2017–2023)
- Deep, powerful tone without excessive drone.
- Lower EGTs when towing up mountain grades or running heavy.
- Built from stainless steel for all-weather durability.
EGR & Cooler Delete Kit
GMC Sierra / Chevy Silverado L5P (2017–2023)
- Less carbon buildup for smoother performance.
- Reduced risk of overheating during demanding jobs.
- Ideal for trucks used in heavy-duty work or high-mileage driving.
Switch-On-The-Fly (SOTF) Tune Package
GMC Sierra / Chevy Silverado L5P (2017–2023)
- Flexibility for different driving conditions from flat highways to steep mountain passes.
- Perfect for work trucks, weekend toys and daily drivers alike.
- Works in combination with exhaust and delete kits for maximum gains.
Why Buy From TunerDepot
- Specialized in L5P Duramax trucks — We know what works and what lasts.
- Nationwide Shipping — Get the parts you need anywhere in the USA.
- Expert Support — Our team helps you choose the right mods for your driving style.
Upgrade Your L5P Today
Whether you're in Texas, Montana, Florida or anywhere in between, these top diesel performance mods will help your GMC Sierra or Chevy Silverado L5P run harder, tow stronger and sound better.
📞 Click the phone number at the top of the page to reach our team, or hit Buy Now on any product above — we ship nationwide!
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