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Frequently Asked Questions

2011-2016 6.6L Duramax LML

The installation time for an LML Duramax Delete Kit depends on experience and tools. Most professional technicians can complete the process in a few hours, while experienced DIYers may need more time. Proper preparation and following the kit instructions help ensure a smooth installation.
When choosing a Delete Kit, focus on build quality, complete hardware and gaskets, clear installation instructions, and compatibility with your vehicle’s year. A well-designed kit ensures proper fit, reliable engine operation, and easier maintenance over time.
Most LML EGR Delete Kits from Trucktok are designed to fit all 2011-2016 6.6L Duramax models. However, to ensure proper fit for your specific year and configuration, please check the product specifications on Trucktok before making a purchase.
When installed correctly, an LML Duramax Delete Kit has minimal impact on engine life. Regular maintenance, including monitoring airflow components and keeping the system clean, helps maintain long-term engine reliability.
Some LML Duramax Delete Kits may perform best with ECU adjustments or tuning, depending on your vehicle’s year, configuration, and the kit type. Trucktok provides detailed instructions with each kit, so following them carefully is recommended. If you are unsure, consulting a professional diesel tuner can help ensure optimal engine performance and prevent check engine lights.
A well-designed Trucktok LML Duramax Delete Kit can help improve throttle response and airflow efficiency while reducing carbon buildup in the engine. The primary goal is to maintain engine reliability and make maintenance easier, rather than providing a dramatic increase in horsepower. Following the installation instructions from Trucktok ensures optimal performance and engine safety.

Cummins

The best delete kit depends on your truck’s intended use—towing, off-road, or heavy-duty work. TruckTok offers high-quality 6.7L Cummins kits designed for proper fitment, reliability, and compatibility with Cummins engines. Their kits focus on emissions-intact upgrades and supporting tuners, giving you improved performance while maintaining safe and reliable operation.
Yes. Even with a high-quality EGR delete kit, a compatible tuner is needed to optimize engine performance and prevent diagnostic trouble codes (DTCs). TruckTok recommends emissions-intact or off-road tuning solutions to maximize the benefits of the hardware while keeping the engine running safely.
Mechanically, removing the EGR system can help reduce soot buildup and lower intake temperatures, which may improve engine reliability for heavy-duty or off-road use. For those who prefer to keep all systems intact, emissions-intact tuning combined with compatible hardware upgrades from a trusted provider can still enhance performance and drivability.
The DPF (Diesel Particulate Filter) on a 6.7 Cummins can become clogged over time, especially with short trips or low-speed driving. This can lead to reduced power, increased exhaust temperatures, and frequent regeneration cycles. Using high-quality fuel, following proper maintenance schedules, and pairing with emissions-intact performance tuning can reduce DPF issues while maintaining compliance.
The EGR (Exhaust Gas Recirculation) system recirculates a portion of exhaust gases back into the engine’s intake. On a Cummins engine, this lowers combustion temperatures, reduces nitrogen oxide (NOx) emissions, and helps meet emissions regulations. While it serves an environmental purpose, excessive soot buildup from the EGR can affect engine performance over time.
A failing EGR valve can cause rough idling, reduced power, increased smoke, poor fuel economy, and repeated check-engine lights. You might also notice engine surging, stalling, or higher-than-normal soot accumulation in the intake. If these symptoms appear, professional diagnostics are recommended to confirm whether the EGR valve or related components are at fault.
The CCV (Crankcase Ventilation) system manages crankcase pressure and recirculates blow-by gases to prevent oil leaks and maintain turbo efficiency. On Cummins engines, a properly functioning CCV keeps the engine cleaner, reduces oil contamination in the intake, and improves long-term reliability. Some owners install a CCV reroute to reduce intake buildup and enhance performance in heavy-duty applications.
A typical Cummins EGR delete kit includes various components designed to remove or bypass the factory EGR system, improving engine airflow and reducing soot buildup. Key parts of the kit generally include:
  • EGR block-off plates to seal off the intake manifold and exhaust ports
  • Replacement pipes to reroute exhaust gases or eliminate the EGR system
  • Gaskets and mounting hardware for secure installation
  • Tuning solutions (optional) to recalibrate the engine’s ECU for optimal performance after the system removal
These parts work together to help improve engine efficiency by eliminating exhaust gas recirculation and providing cleaner airflow to the engine.

DPF Delete Pipe

A DPF delete pipe is an aftermarket exhaust section designed to replace the factory Diesel Particulate Filter (DPF). Its main effect is to allow exhaust to flow more freely through the system, which can reduce soot accumulation and improve engine efficiency under certain conditions. Similar benefits can often be achieved through proper DPF maintenance and high-quality diesel fuel.
Straight piping and muffler deletes change how exhaust gases flow and can alter sound levels. A straight pipe removes mufflers and may reduce exhaust restrictions, while a muffler delete only removes the muffler and slightly changes sound and flow. For balanced performance, many owners choose aftermarket exhaust systems that improve flow and sound while maintaining system integrity.
Modifying or removing the DPF can change exhaust backpressure, temperature, and overall system behavior, which may affect turbo operation and engine performance. Proper tuning and maintaining system components are key to avoiding potential issues and ensuring long-term reliability.
The main benefits discussed for DPF delete pipes include reduced exhaust restriction, fewer regeneration cycles, and potentially smoother engine operation under heavy load. Similar advantages can often be achieved through timely maintenance, high-quality diesel, airflow improvements, or approved performance upgrades that retain the stock exhaust system.
DPF-related modifications can help the engine run more efficiently by reducing backpressure and soot buildup. Other ways to enhance performance include emissions-compliant tuning, improved cooling systems, turbo upgrades compatible with the engine, high-flow air intakes, and approved aftermarket exhausts, all of which can support better drivability and engine response.
A DPF delete pipe is designed to replace the factory diesel particulate filter and allow exhaust to flow more freely through the system. On off-road vehicles, it can help reduce soot buildup in the exhaust system and simplify maintenance. By improving exhaust flow, it also supports smoother engine operation and more consistent performance under heavy loads or challenging terrain.
Installation of a DPF delete pipe can be done by someone with mechanical experience and the proper tools, but it involves removing parts of the factory exhaust system and ensuring secure connections. For those unfamiliar with exhaust work or engine modifications, professional installation is recommended to ensure proper fitment, secure sealing, and optimal engine operation after the pipe is installed.

Delivery Questions

Yes, shipping is included in our price.

Yes, but we can't change it once we ship it. Because the goods have been out of the warehouse, we can't handle the modification.

We have several warehouses across U.S., therefore, most of our products will be shipped from our local warehouse to clients directly.

We usually send by UPS, USPS, FedEx. You can choose different methods according to your actual needs. Please contact our sales with your requirements within 24 hours after your order is been placed, otherwise, we might ship your order directly from our side with our shipping methods.

When we receive the order, we will process the order within one working day. When the logistics provider picks up the goods from our warehouse, expect delivery within 3-5 working days. We promise 3-5 business days from order to receipt.

Note: Due to weather and location factors, there may be delays, if a delay occurs, please contact us.

Even though we pack and ship your order it doesn’t mean the carrier will pick up at that time. Shipping Carriers only pick up Monday - Friday, not including Holidays. If you receive a tracking number please wait until after 8pm PST on the next business day to see active tracking information.

We support next day delivery. As long as you contact us by email after placing your order, we will give you a quotation for next day delivery. Due to the different location and product size, the freight will be different.

Duramax

You can clean parts of the EGR system externally, but thorough cleaning usually requires removing the valve. Surface cleaning may temporarily improve performance, but it won’t fully remove soot buildup inside the passages. If your EGR is sticking, causing power loss, or triggering codes, professional cleaning or replacement is often more effective than a quick external clean.
Mechanically, removing the EGR on an LML Duramax can reduce soot buildup, lower intake air temperatures, and improve long-term reliability—especially under heavy towing or high-load conditions. Many owners also report cleaner oil, better throttle response, and more stable overall performance. For those who prefer to keep all systems intact, emissions-intact tuning can provide similar improvements in drivability and reliability.
Yes. The 2006–2007 LBZ Duramax does have an EGR system, though it is known for being more reliable than earlier versions. Still, soot accumulation over time can affect airflow and engine efficiency, especially on trucks with high mileage or heavy workloads.
A downpipe improves exhaust flow from the turbocharger, reducing backpressure and helping the turbo spool more efficiently. This can lead to better throttle response, improved towing performance, and lower exhaust gas temperatures (EGTs). Upgrading the downpipe is a common performance enhancement on Duramax engines, especially when paired with proper tuning and supporting hardware.
Yes, removing or bypassing emissions components such as the EGR can help reduce certain maintenance demands. By eliminating these systems, the truck may experience less soot buildup in the intake and exhaust, potentially reducing the frequency of cleaning or servicing related parts. This can make ongoing maintenance more straightforward and help the engine operate more efficiently under various driving conditions.
Installation time varies depending on the engine model, the specific kit, and the installer’s experience. On average, a full Duramax EGR delete kit installation can take several hours, as it involves removing or bypassing multiple components and ensuring proper sealing and fitment. Using the provided hardware and instructions carefully is key to completing the installation efficiently and ensuring the engine runs smoothly after the system is removed.

EGR Delete Kits

Mechanically, removing the EGR system can reduce soot buildup and lower intake temperatures, which may help improve engine reliability in high-mileage or heavily loaded trucks. For those who prefer to keep the system intact, emissions-intact tuning can still enhance performance and drivability while keeping all equipment in place.
The main benefits of an EGR delete come from improved throttle response, reduced soot buildup, and better efficiency under heavy load, rather than dramatic raw horsepower increases. It helps the engine run cleaner and may improve overall performance.
Yes. Even with a high-quality EGR delete kit, a compatible engine tune is usually recommended to optimize performance, ensure smooth operation, and prevent engine codes. Tuning can maximize the benefits of the hardware upgrade while keeping the engine running reliably.
Technically, a diesel engine can operate without an EGR valve. Removing or modifying the system may affect how the engine runs and can change soot accumulation or exhaust characteristics. For specialized setups like off-road or competition applications, professional guidance is recommended to ensure engine safety and proper function.
Removing the EGR system can trigger a diagnostic trouble code (DTC) on the engine control module. Using a compatible tune or programmer helps prevent persistent codes and ensures the truck runs smoothly while taking full advantage of the modification.
When selecting an EGR delete kit, consider your truck model, engine type, and how you plan to use it. Choose a kit from a reputable provider, like TruckTok, ensure that it matches your engine specifications and pairs with a compatible tune. Quality construction, precise fitment, and clear instructions or support are key factors for safe installation and long-term durability.
Yes, an EGR delete kit can help reduce carbon buildup in the engine. The EGR system recirculates exhaust gases back into the intake, which can cause soot and carbon deposits to accumulate over time, particularly in the intake manifold and valves. By removing the EGR system, the flow of exhaust gases is eliminated, reducing the chances of buildup and keeping the engine running cleaner. This can also improve overall engine efficiency and longevity.
A typical EGR delete kit includes components designed to replace or bypass the factory EGR system. These parts usually consist of:
  • EGR block-off plates to seal the intake manifold and exhaust ports
  • Replacement pipes to reroute exhaust gases or eliminate them entirely
  • Gaskets and hardware for proper installation
  • Tune or programmer (optional) to recalibrate the engine management system for optimal performance
These components work together to ensure the EGR system is effectively removed, and the engine operates with smoother airflow and reduced exhaust recirculation.

Other Questions

You can track your order using the tracking number we provide. If not, please contact us.

Yes, you can contact us and we will give you a discount after knowing the situation.

Yes, we offer certain discounts to wholesalers and auto repair shops.

Powerstroke

Mechanically, some owners discuss removing emissions equipment to improve performance or reliability. In practice, such modifications are usually aimed at reducing soot buildup, lowering intake temperatures, and improving engine response under heavy load. For those who prefer to keep all systems intact, proper maintenance, tuning, and OEM-approved upgrades can help enhance performance and drivability without removing any components.
The primary benefits of modifications like an EGR or DPF delete are often improved throttle response, reduced exhaust restriction, and lower soot accumulation, rather than dramatic raw horsepower gains. Similar improvements can be achieved through maintenance, high-quality fuel, or performance upgrades such as upgraded air intake, intercoolers, turbo improvements, or exhaust systems that work with the existing engine systems.
Removing or modifying the EGR system can reduce soot buildup and improve throttle response under heavy load. However, similar performance and reliability improvements can be achieved through regular EGR maintenance, using high-quality fuel and additives, or upgrading cooling and airflow systems, all while keeping the engine fully intact.
Modifications targeting the DPF generally aim to reduce exhaust restriction or decrease regeneration cycles. Similar benefits, such as smoother operation and improved engine efficiency under load, can be obtained through timely DPF maintenance, using proper low-ash oil and high-quality diesel, keeping the DEF system in good condition, and installing approved upgrades that enhance performance without removing emissions equipment.
A 6.7 PowerStroke delete kit is a set of components designed to remove or bypass the factory emissions systems, such as the EGR, DPF, and associated plumbing, to improve exhaust flow and engine efficiency. Typical components in a kit include block-off plates for the intake and exhaust, replacement pipes or tubing, gaskets, mounting hardware, and sometimes tuning solutions to recalibrate the engine for optimal performance after the system is removed. The kit is designed to simplify exhaust flow and reduce buildup in critical engine areas.
Choosing the best kit depends on your truck’s year, engine configuration, and intended use. Look for kits that are designed specifically for your 6.7 PowerStroke model and include all necessary hardware for installation. Kits that provide clear instructions, high-quality materials, and compatible components help ensure easier installation, smoother engine operation, and reliable performance.
Most comprehensive PowerStroke delete kits include components that address multiple emissions systems, such as the EGR, DPF, and DEF. However, some kits focus only on the EGR system or other specific components. The exact scope depends on the kit design, but the goal is generally to streamline the exhaust and intake pathways and improve engine airflow and response after the system components are removed or bypassed.
Yes, a 6.7 PowerStroke EGR delete kit is designed to bypass or remove the EGR system, which is often the source of carbon and soot buildup in the intake and exhaust. By eliminating the EGR pathway, the kit can reduce clogging issues, improve airflow, and help the engine maintain cleaner operation. It also makes maintenance more straightforward by removing a system prone to buildup over time.

cold air intake

A cold air intake is an air intake system designed to draw in cooler, denser air from outside the engine bay. Cooler air contains more oxygen, which helps the engine burn fuel more efficiently and respond more smoothly during acceleration and everyday driving.
Most cold air intake kits include an intake pipe, a cold air intake filter, couplers, and mounting hardware. Many setups also add a heat shield, brackets, and vacuum hoses. Trucktok cold air intake kits typically include all required components for a clean, vehicle-specific installation.
A cold air intake filter is typically designed for higher airflow and reusability compared to a factory air filter. It often uses performance media that balances filtration and airflow, supporting smoother breathing while still protecting the engine from dust and debris.
Choose a cold air intake based on your vehicle’s make, model, engine type, and driving needs. Pay attention to proper fitment, filter design, and intake routing. Trucktok offers cold air intake systems built specifically for trucks and diesel engines, helping ensure consistent airflow and dependable daily performance.
Cleaning or replacement intervals depend on driving conditions and filter type. In normal use, filters are checked periodically and serviced when dirt buildup is visible. Dusty or off-road environments may require more frequent inspection to maintain airflow efficiency.
The air intake and filter supply clean air to the engine for combustion. The intake directs airflow efficiently, while the filter removes contaminants. Together, they help maintain consistent engine operation, protect internal components, and support overall performance.
In many cases, a cold air intake can be used without additional tuning. The system is designed to work within factory parameters, focusing on improved airflow and intake efficiency. Some drivers choose tuning for optimization, but it isn’t always required.
A cold air intake is generally considered a bolt-on air intake and filter upgrade. Insurance policies vary, so some owners choose to disclose modifications for clarity, while others do not. It’s mainly about transparency rather than changing how the vehicle is used.

l5p delete kit

The best delete kit for an L5P Duramax depends on your goals—performance, reliability, or off-road use. TruckTok offers high-quality kits engineered for proper fitment, durability, and compatibility with L5P engines. Their kits focus on emissions-intact tuning and hardware solutions that maximize reliability while still improving throttle response, exhaust flow, and overall drivability.
Before removing or modifying any hardware, proper tuning should always be addressed first. In addition to components related to the EGR and DPF systems, adjustments may involve exhaust-related parts in the engine bay and chassis, as well as sensors, fuel injection components, and electronic elements connected to the DEF system. Making these adjustments while all systems are still intact helps improve overall drivability and efficiency while minimizing the risk of engine or electronic issues. Before proceeding with any removal or modification, it’s strongly recommended to understand and follow your local laws and regulations.
Mechanically, a delete kit can reduce soot buildup, improve intake airflow, and enhance throttle response. Many owners report better towing performance, smoother operation, and a cleaner engine environment. TruckTok designs kits to optimize reliability while providing noticeable performance improvements, even without compromising legal compliance.
The L5P Duramax engine was introduced in 2017 and continues in current GM 2500HD and 3500HD trucks. It is known for its robust bottom end, high horsepower potential, and advanced emissions control system, including the EGR, DPF, and CCV systems.
The CCV (Crankcase Ventilation) reroute helps reduce oil buildup in the intake system and prevents excessive pressure in the crankcase. This can lead to a cleaner intake, improved turbo efficiency, and longer engine life. TruckTok’s CCV reroute is designed to integrate seamlessly with the L5P’s hardware and tuning, maintaining reliability while improving overall performance.
While it is possible to install an L5P delete kit yourself, it requires mechanical expertise and proper tools. The installation involves removing or bypassing key emissions components, which can be complex and time-consuming. For the best results, it’s recommended to consult with or hire a professional mechanic to ensure proper installation and avoid potential issues with fitment, performance, or engine management.
Yes, an L5P delete kit can help alleviate some of the common issues associated with the EGR (Exhaust Gas Recirculation) and DPF (Diesel Particulate Filter) systems on newer Duramax engines. By removing or bypassing the EGR and DPF components, the truck may experience fewer regeneration cycles, reduced soot buildup, and more consistent exhaust flow. This can lead to fewer issues with clogging, overheating, and excessive exhaust gas temperatures, improving overall engine performance and reliability.
Yes, installing an L5P delete kit typically requires removing or replacing parts of the factory exhaust system, particularly the DPF and sometimes the EGR system components. Depending on the specific kit, the factory exhaust system may need to be modified or replaced with a delete pipe or other components designed to maintain proper exhaust flow and performance after the emissions systems are removed.

tonneau cove truck bed cover

A tonneau cover is a protective lid that installs over the bed of your pickup truck. TruckTok tonneau covers help secure cargo, shield your gear from rain and UV exposure, and improve the truck’s overall aerodynamics. They come in folding, rolling, and hard-shell designs, giving you options based on how you use your truck bed.
No tonneau cover is truly 100% waterproof, but high-quality models—like TruckTok’s tonneau covers—are highly water-resistant. Proper seals, reinforced edges, and correct installation can significantly reduce water infiltration. While you may see minimal moisture during heavy storms or high-pressure washes, your cargo will stay well protected under normal conditions.
Both options offer distinct advantages depending on how you use your truck. Soft tonneau covers are lightweight, more budget-friendly, and easy to roll or fold for quick access to the bed. Hard tonneau covers—such as TruckTok’s hard folding designs—provide greater durability, enhanced security, and stronger protection against weather and road debris. If you regularly transport tools, equipment, or other valuable cargo, or drive in demanding conditions, a hard folding cover is often the more dependable choice.
Yes. TruckTok tonneau covers are low-maintenance, but regular care helps extend their lifespan. You should clean the cover with mild soap, lubricate hinges or rails if applicable, and ensure the seals stay free of debris. Periodically check clamps and mounting points to maintain proper alignment and prevent water leaks.
A roll-up tonneau cover is designed for daily use and long-term durability. TruckTok roll-up covers are typically constructed with reinforced vinyl or heavy-duty fabric layered over aluminum support rails. These materials are chosen for their flexibility, resistance to tearing, and ability to handle repeated rolling and unrolling without losing shape or function. The combination of lightweight materials and a sturdy frame allows the cover to remain reliable while still being easy to operate.
Many tonneau covers are designed to work alongside common aftermarket truck accessories. Depending on the model, TruckTok tonneau covers can be compatible with bed racks, ladder racks, or cargo management systems that mount to the truck bed rails. Some setups may require specific mounting brackets or low-profile rack designs, so checking accessory compatibility before installation helps ensure a clean and secure fit.
A hard tonneau cover adds an extra layer of protection by creating a solid barrier over the truck bed. TruckTok hard covers are built with rigid panels and secure locking mechanisms that help deter tampering and keep cargo out of sight. When closed and locked, the cover limits access to the bed, making it more difficult for unauthorized entry and providing greater peace of mind when transporting tools, equipment, or personal items.
Roll-up tonneau covers are designed to handle changing weather conditions, including rain and light to moderate snow. TruckTok roll-up covers use sealed edges and tensioned materials to help direct water away from the truck bed. While extreme weather may introduce some moisture in certain situations, proper installation and regular maintenance help the cover maintain reliable protection throughout the year.

trailer hitch

A trailer hitch is designed to connect a trailer using a receiver and ball mount for stable, controlled towing. A tow hook is meant for recovery or pulling a vehicle short distances, often in off-road or emergency situations, not for attaching trailers.
Use a tow hook when you need vehicle recovery, winching, or short pulls where a trailer isn’t involved. Tow hooks are common for off-road use, snow, or roadside assistance, while trailer hitches are intended for hauling loads behind the vehicle.
A heavy duty trailer hitch from Trucktok is designed to handle demanding towing and recovery needs. Support depends on the hitch style and setup—some are built for multi-ball trailer towing, while others focus on off-road recovery strength—making them suitable for work trucks, trailers, and rugged use.
Yes, adjustable trailer hitches are commonly used on lifted trucks. Their height-adjustable design helps keep the trailer level, improves towing balance, and allows one hitch to work with different trailer heights and vehicle modifications.
Trucktok trailer hitch locks are designed to work with most standard 2-inch hitch receivers found on trucks and SUVs. While they fit a wide range of Class III to Class V systems, compatibility depends on the receiver’s design and pin size. Checking the lock specifications ensures a secure and proper fit for your hitch.
Check receiver size, vehicle compatibility, build quality, and intended use. Look at materials, finish, and mounting style, and make sure the product matches how you plan to tow or recover, whether for daily driving, work, or off-road use.
A trailer hitch is typically used as a mounting point for towing accessories or recovery gear. When not towing, it mainly serves as a ready attachment point, offering convenience for drivers who frequently haul trailers or use hitch-mounted equipment.
The three common types are receiver hitches, gooseneck hitches, and fifth wheel hitches. Receiver hitches are the most versatile for everyday towing, while gooseneck and fifth wheel hitches are used for larger trailers and heavier-duty applications.