2024–2026 6.6L Duramax Power Package
Build a matched Power Package for your 2024–2026 Chevy/GMC 6.6L L5P Duramax, one step at a time. Pick the parts you want, skip the ones you don't, and see your total as you go.
Tuning Required
Tuning is the driving force of your vehicle and the start of making drastic power improvements. We offer a wide range of custom tuning options from various companies to bring you the best options in the industry. For more information on the different platforms used for custom tuning, view our FAQ page.
Tuning Devices Optional
Your tune needs a device to install. Already have one? Skip this step.
Tuning devices plug into your truck and are used to load your tune. Choose the device that matches the tuning you picked.
Tuning Credits Optional
HP Tuners tuning credits are required to tune your truck.
ECM Unlock Optional
An ECM unlock is required for tuning.
Exhaust Required
Exhausts are a requirement when going with emissions off tuning. Say goodbye to filling your DEF! Factory exhausts are very restrictive and contain DPFs and catalytic converters that can be troublesome; clogged DPFs are a perfect example.
Delete pipes are the most economical solution: they replace the DPF section of your exhaust while keeping the rest of your factory exhaust. Full exhaust kits replace the entire factory exhaust, and you can add a muffler a couple of steps later.
Exhaust Tips Optional
Finish off your exhaust with a Polar Diesel 304SS exhaust tip or polished elbow. Pick a tip with an inlet that matches your exhaust size (4" or 5").
Muffler Optional
Would you like a muffler included with your exhaust?
Downpipe Optional
If you're looking to run Level 2+ engine tuning, you need to replace your factory downpipe.
EGR Solution Optional
EGR delete kits are not required; you can unplug the EGR connectors and leave it installed. However, removing your EGR system with an EGR delete kit prevents issues down the road, such as EGR valves not sealing, and frees up space in your engine bay. Our team recommends an EGR delete kit when tuning a truck with emissions off tuning for peace of mind and reliability.
Monitoring Optional
Monitoring your truck's vital signs is crucial for workhorse trucks that tow heavy loads or high horsepower builds. These devices help you keep your truck running in optimal conditions and avoid costly repairs.
Truck Information
We need this information about your truck so tune files can be written accurately and on time.
Final step
Review your Power Package
Each part below is added to your cart as its own item, so sales and discount codes apply to every part.
