We've packaged all the necessary parts needed for you to delete your 2017 Duramax 2500/3500 L5P 6.6L diesel pickup truck including a new ECM!
This is an all-inclusive delete package for the 2017 GM Sierra and Silverado 2500/3500 L5P Duramax pickup trucks, we include a new unlocked PCM so you can keep your original PCM unmodified in case you ever need to put your truck back to stock configuration. You will have the ability to switch power levels from 0HP all the way to 150HP using only the buttons on your steering wheel
In this package you will receive the following items:
-
Unlocked E41 ECM from HP Tuners
- HP Tuners MPVi3 OBD2 Interface Device
- 8 Tuning credits
- 5 Tune SOTF package
- Full EGR Delete Kit
-
DPF/DEF Delete Race Pipe
- CAN Communication Harness
Benefits achieved from this delete kit:
- A new unlocked PCM so you can keep your factory PCM original and unmodified
- No core-charge
- The ability to calibrate, log, and scan your vehicle through the OBD port
- Change power levels on the fly using the steering wheel controls
- Improved combustion chamber temperatures
- Better longevity of your engine's cooling and exhaust system
- Increased power from more powerful tune flashes
- All the necessary parts needed to fully delete your 17-21 Duramax L5P
- Includes 5 tune levels: 0HP, 50HP, 75HP, 100HP, & 150HP
This kit includes everything necessary to delete your truck, install it yourself or have it done by a professional.
You can find instructions HERE.
*Always tune and run the truck before touching anything on the truck. Not doing so will cause a message to be stored on the dash.*
**For off-road and race use only**
We've packaged all the necessary parts needed for you to delete your 2018-2019 Duramax 2500/3500 L5P 6.6L diesel pickup truck including a new ECM!
This is an all-inclusive delete package for the 2018-2019 GM Sierra and Silverado 2500/3500 L5P Duramax pickup trucks, we include a new unlocked PCM so you can keep your original PCM unmodified in case you ever need to put your truck back to stock configuration. You will have the ability to switch power levels from 0HP all the way to 150HP using only the buttons on your steering wheel
In this package you will receive the following items:
-
Unlocked E41 ECM from HP Tuners
- HP Tuners MPVi3 OBD2 Interface Device
- 8 Tuning credits
- 5 Tune SOTF package
- Full EGR Delete Kit
-
DPF/DEF Delete Race Pipe
- CAN Communication Harness
Benefits achieved from this delete kit:
- A new unlocked PCM so you can keep your factory PCM original and unmodified
- No core-charge
- The ability to calibrate, log, and scan your vehicle through the OBD port
- Change power levels on the fly using the steering wheel controls
- Improved combustion chamber temperatures
- Better longevity of your engine's cooling and exhaust system
- Increased power from more powerful tune flashes
- All the necessary parts needed to fully delete your 17-21 Duramax L5P
- Includes 5 tune levels: 0HP, 50HP, 75HP, 100HP, & 150HP
This kit includes everything necessary to delete your truck, install it yourself or have it done by a professional.
You can find instructions HERE.
*Always tune and run the truck before touching anything on the truck. Not doing so will cause a message to be stored on the dash.*
**For off-road and race use only**
We've packaged all the necessary parts needed for you to delete your 2020-2021 Duramax 2500/3500 L5P 6.6L diesel pickup truck including a new ECM!
This is an all-inclusive delete package for the 2020-2021 GM Sierra and Silverado 2500/3500 L5P Duramax pickup trucks, we include a new unlocked PCM so you can keep your original PCM unmodified in case you ever need to put your truck back to stock configuration. You will have the ability to switch power levels from 0HP all the way to 150HP using only the buttons on your steering wheel
In this package you will receive the following items:
-
Unlocked E41 ECM from HP Tuners
- HP Tuners MPVi3 OBD2 Interface Device
- 8 Tuning credits
- 5 Tune SOTF package
- Full EGR Delete Kit
-
DPF/DEF Delete Race Pipe
- CAN Communication Harness
Benefits achieved from this delete kit:
- A new unlocked PCM so you can keep your factory PCM original and unmodified
- No core-charge
- The ability to calibrate, log, and scan your vehicle through the OBD port
- Change power levels on the fly using the steering wheel controls
- Improved combustion chamber temperatures
- Better longevity of your engine's cooling and exhaust system
- Increased power from more powerful tune flashes
- All the necessary parts needed to fully delete your 17-21 Duramax L5P
- Includes 5 tune levels: 0HP, 50HP, 75HP, 100HP, & 150HP
This kit includes everything necessary to delete your truck, install it yourself or have it done by a professional.
You can find instructions HERE.
*Always tune and run the truck before touching anything on the truck. Not doing so will cause a message to be stored on the dash.*
**For off-road and race use only**
We've packaged all the necessary parts needed for you to delete your 2022 Duramax 2500/3500 L5P 6.6L diesel pickup truck including a new ECM!
This is an all-inclusive delete package for the 2022 GM Sierra and Silverado 2500/3500 L5P Duramax pickup trucks, we include a new unlocked PCM so you can keep your original PCM unmodified in case you ever need to put your truck back to stock configuration. You will have the ability to switch power levels from 0HP all the way to 150HP using only the buttons on your steering wheel
In this package you will receive the following items:
-
Unlocked E41 ECM from HP Tuners
- HP Tuners MPVi3 OBD2 Interface Device
- 8 Tuning credits
- 5 Tune SOTF package
- Full EGR Delete Kit
-
DPF/DEF Delete Race Pipe
- CAN Communication Harness (either 17-19 or 20-21)
Benefits achieved from this delete kit:
- A new unlocked PCM so you can keep your factory PCM original and unmodified
- No core-charge
- The ability to calibrate, log, and scan your vehicle through the OBD port
- Change power levels on the fly using the steering wheel controls
- Improved combustion chamber temperatures
- Better longevity of your engine's cooling and exhaust system
- Increased power from more powerful tune flashes
- All the necessary parts needed to fully delete your 17-21 Duramax L5P
- Includes 5 tune levels: 0HP, 50HP, 75HP, 100HP, & 150HP
This kit includes everything necessary to delete your truck, install it yourself or have it done by a professional.
You can find instructions HERE.
*Always tune and run the truck before touching anything on the truck. Not doing so will cause a message to be stored on the dash.*
**For off-road and race use only**
We've packaged all the necessary parts needed for you to delete your 2017 Duramax 2500/3500 L5P 6.6L diesel pickup truck including a new ECM!
This is an all inclusive delete package for the 2017 GM Sierra and Silverado 2500/3500 L5P Duramax pickup trucks, we include a new unlocked PCM so you can keep your original PCM unmodified in case you ever need to put your truck back to stock configuration. You will have the ability to switch power levels from 0HP all the way to 150HP using only the buttons on your steering wheel
In this package you will receive the following items:
-
Unlocked E41 ECM from HP Tuners
- HP Tuners MPVi3 OBD2 Interface Device
- 8 Tuning credits
- 5 Tune SOTF package
- Full EGR Delete Kit
- Stainless Steel 5" Downpipe-back Race Exhaust
- CAN Communication Harness
Benefits achieved from this delete kit:
- A new unlocked PCM so you can keep your factory PCM original and unmodified
- No core-charge
- The ability to calibrate, log, and scan your vehicle through the OBD port
- Change power levels on the fly using the steering wheel controls
- Improved combustion chamber temperatures
- Better longevity of your engine's cooling and exhaust system
- Increased power from more powerful tune flashes
- All the necessary parts needed to fully delete your 17 Duramax L5P
- Includes 5 tune levels: 0HP, 50HP, 75HP, 100HP, & 150HP
This kit includes everything necessary to delete your truck, install it yourself or have it done by a professional.
You can find instructions HERE.
*Always tune and run the truck before touching anything on the truck. Not doing so will cause a message to be stored on the dash.*
**For off-road and race use only**
We've packaged all the necessary parts needed for you to delete your 2018-2019 Duramax 2500/3500 L5P 6.6L diesel pickup truck including a new ECM!
This is an all-inclusive delete package for the 2018 & 2019 GM Sierra and Silverado 2500/3500 L5P Duramax pickup trucks, we include a new unlocked PCM so you can keep your original PCM unmodified in case you ever need to put your truck back to stock configuration. You will have the ability to switch power levels from 0HP all the way to 150HP using only the buttons on your steering wheel
In this package you will receive the following items:
-
Unlocked E41 ECM from HP Tuners
- HP Tuners MPVi3 OBD2 Interface Device
- 8 Tuning credits
- 5 Tune SOTF package
- Full EGR Delete Kit
- Stainless Steel 5" Downpipe-back Race Exhaust
- CAN Communication Harness
Benefits achieved from this delete kit:
- A new unlocked PCM so you can keep your factory PCM original and unmodified
- No core-charge
- The ability to calibrate, log, and scan your vehicle through the OBD port
- Change power levels on the fly using the steering wheel controls
- Improved combustion chamber temperatures
- Better longevity of your engine's cooling and exhaust system
- Increased power from more powerful tune flashes
- All the necessary parts needed to fully delete your 17 Duramax L5P
- Includes 5 tune levels: 0HP, 50HP, 75HP, 100HP, & 150HP
This kit includes everything necessary to delete your truck, install it yourself or have it done by a professional.
You can find instructions HERE.
*Always tune and run the truck before touching anything on the truck. Not doing so will cause a message to be stored on the dash.*
**For off-road and race use only**
We've packaged all the necessary parts needed for you to delete your 2020-2021 Duramax 2500/3500 L5P 6.6L diesel pickup truck including a new ECM!
This is an all-inclusive delete package for the 2020 & 2021 GM Sierra and Silverado 2500/3500 L5P Duramax pickup trucks, we include a new unlocked PCM so you can keep your original PCM unmodified in case you ever need to put your truck back to stock configuration. You will have the ability to switch power levels from 0HP all the way to 150HP using only the buttons on your steering wheel
In this package you will receive the following items:
-
Unlocked E41 ECM from HP Tuners
- HP Tuners MPVi3 OBD2 Interface Device
- 8 Tuning credits
- 5 Tune SOTF package
- Full EGR Delete Kit
- Stainless Steel 5" Downpipe-back Race Exhaust
- CAN Communication Harness
Benefits achieved from this delete kit:
- A new unlocked PCM so you can keep your factory PCM original and unmodified
- No core-charge
- The ability to calibrate, log, and scan your vehicle through the OBD port
- Change power levels on the fly using the steering wheel controls
- Improved combustion chamber temperatures
- Better longevity of your engine's cooling and exhaust system
- Increased power from more powerful tune flashes
- All the necessary parts needed to fully delete your 17 Duramax L5P
- Includes 5 tune levels: 0HP, 50HP, 75HP, 100HP, & 150HP
This kit includes everything necessary to delete your truck, install it yourself or have it done by a professional.
You can find instructions HERE.
*Always tune and run the truck before touching anything on the truck. Not doing so will cause a message to be stored on the dash.*
**For off-road and race use only**
We've packaged all the necessary parts needed for you to delete your 2022 Duramax 2500/3500 L5P 6.6L diesel pickup truck including a new ECM!
This is an all-inclusive delete package for the 2022 GM Sierra and Silverado 2500/3500 L5P Duramax pickup trucks, we include a new unlocked PCM so you can keep your original PCM unmodified in case you ever need to put your truck back to stock configuration. You will have the ability to switch power levels from 0HP all the way to 150HP using only the buttons on your steering wheel
In this package you will receive the following items:
-
Unlocked E41 ECM from HP Tuners
- HP Tuners MPVi3 OBD2 Interface Device
- 8 Tuning credits
- 5 Tune SOTF package
- Full EGR Delete Kit
- Stainless Steel 5" Downpipe-back Race Exhaust
- CAN Communication Harness
Benefits achieved from this delete kit:
- A new unlocked PCM so you can keep your factory PCM original and unmodified
- No core-charge
- The ability to calibrate, log, and scan your vehicle through the OBD port
- Change power levels on the fly using the steering wheel controls
- Improved combustion chamber temperatures
- Better longevity of your engine's cooling and exhaust system
- Increased power from more powerful tune flashes
- All the necessary parts needed to fully delete your 17 Duramax L5P
- Includes 5 tune levels: 0HP, 50HP, 75HP, 100HP, & 150HP
This kit includes everything necessary to delete your truck, install it yourself or have it done by a professional.
You can find instructions HERE.
*Always tune and run the truck before touching anything on the truck. Not doing so will cause a message to be stored on the dash.*
**For off-road and race use only**
H&S Performance Mini Maxx Race Tuner | DPF Delete Tuner
Tuner depot recommends this tuner for those looking for the most cost-effective delete tuner that will run clean, smoke-free tunes and provide a little extra performance. For those looking for more power, we recommend one of our custom-tune tuners. Please reach out to our sales team for more information.
What kind of diesel trucks could be deleted by the Mini Maxx tuner?
- 2007.5-2017 Dodge RAM & 6.7L Cummins
- 2008-2019 Ford Powerstroke 6.4L & 6.7L
- 2007.5-2016 GM Duramax 6.6L*
*Please note: 2013-2021 RAM trucks only have one power level, new power tunes are in the works and will be updated in the future. This tune is limited to 20PSI*
*LML Duramax do not register boost levels, a fix is being worked on* (MAP sensor not being read). Dual fuel tanks on Cab & Chassis are not supported. LGH trucks are not supported*
Please see here for all known issues BEFORE ordering
Performance Mini Maxx Race Tuner and Fuel Economy
Is it legal to have a Mini Maxx Tuner installed in your truck? What about the emissions?
What does a Mini Maxx Tuner do?
DPF: Diesel Particulate Filter
Easily delete the components of your DPF system. The Mini Maxx allows you to remove all the components of your truck's DPF system while turning off all the codes for the related sensors, eliminating any check engine lights.
EGR: Exhaust Gas Re-circulation
Mini Maxx v2 disables the EGR function and any related check engine lights and DTCs.
It will work if you leave the EGR system installed (run with the EGR system) and it will also work if you install an EGR block kit. Works in conjunction with an EGR block.
No more leaks from the EGR system! Yes say goodbye to coolant leaks from the EGR!
DEF: Diesel Exhaust Fluid
Mini Maxx offers the flexibility of turning your truck into a more capable and economical vehicle.
Mini Maxx comes with:
- Delete tuner
- OBD Connection box
- HDMI Cable to run from the connection box to the tuner
- Power adapter
- Micro SD to USB Adapter
- Fuse tap
- Suction cup mount
- USB cable
- Mini Maxx emission removal tunes
- This tuner is ONLY for deleted trucks, there is no option to run emissions.
- Tunes for off-road & race use only***
Mini Maxx DPF DeleteRace Tuner Features:
- Allows removal of the DPF system and ALL related sensors (nothing needs to go into the race exhaust)
- Remove / Adjust top speed limiter
- Speedometer recalibration for use of non-stock size tires or gearing
- Allows removal of the entire EGR system including cooler with no trouble codes
- Turn off EGR without removing ANY parts
- Read / Clear Diagnostic Trouble Codes
- Internet updateable with included SD Memory Card and USB Cable
- Digital gauges to monitor 20+ parameters
How to update the Mini Maxx Tuner?
You can find any available updates for your device here. Instructions on installing the h&s Mini Maxx are also available on the manufacturer's website.
Check for Mini Maxx delete updates for Dodge Cummins (6.7l Cummins), 6.4l Powerstroke, etc
MODEL | YEAR |
C&C SUPPORT | SOTF |
TRANS SUPPORT |
Duramax 6.6L (2500-5500) | 07.5-10 | Y | Y | A & M |
Duramax 6.6L (2500-5500) | 11-16 | Y | N |
ALL |
Powerstroke 6.7L (F250-F550) | 08-10 | Y | Y | A & M |
Powerstroke 6.7L (F250-F350) |
11-16 | N | Y |
ALL |
Powerstroke 6.7L (F250-F350) | 17-19 | N | N | ALL |
Cummins 6.7L (RAM 2500-5500) | 07.5-09 | Y | Y | ALL |
Cummins 6.7L (RAM 2500-3500) | 10-12 | N | Y | ALL |
Cummins 6.7L (RAM 2500-5500) | 13-17 | Y | Y |
ALL |
Cummins 6.7L (RAM 2500-5500) | 18-21 | Y | Y |
ALL |
*C&C = Cab & Chassis
*SOTF = Shift On The Fly (switch power levels without reflashing the PCM)
*2018-2021 RAM trucks include a BYPASS CABLE
Please see here for all known issues BEFORE ordering
*Stock pyro will not work, you can add a BD Pyrometere kit here.
EFI Live Autocal V3 with custom tuning
With 512MB storage for tune and log files, and file transfer times up to 10 times faster than AutoCal V2, AutoCal V3 delivers significant hardware advancements to the tuning market.
AutoCal V3's built-in USB drivers, field upgradeable firmware, and custom menu system makes supporting remote customers a breeze.
Supporting GM, Dodge Cummins, and Cummins Heavy Duty protocols on the one device, a future update for AutoCal V3 will enable license transfers between FlashScan and AutoCal V3 devices where the device license numbers match. AutoCal V3 can be used by tuners with FlashScan V3 (not yet available), FlashScan V2, or FlashScan HD.
AutoCal V3 User Guide is now available to assist both tuners and end-users. The AutoCal V3 label template is also available for tuners who wish to rebrand AutoCal.
HP Ratings: Stock, +30HP, +65HP, +100HP, +130HP |
Compatibility:
2011, 2012, 2013, 2014 Chevy Silverado & GMC Sierra Duramax 6.6L LMM & LML
***If your specific truck has a manual Transfer Case it is not capable of the DSP tunes and will only come with one 50HP Tune file***
Some Cab & Chassis trucks will only come with one tune file.
*NOTE: If your truck is equipped with a manual transfer case it will not support the 5 tune DSP switch, it will only be capable of one +50HP tune file.
Emissions:
DPF, DEF, Cat, and EGR systems are removed on all custom tunes. This is for off-road use only.
Features:
- Improved fuel economy
- Improved performance
- Custom tunes tailored tune files for your specific vehicle and modifications
- Read and clear DTC codes
- High speed data logging
- Display data while logging
- Read & program calibration and operating system data of engine controller
- Read/Flash AutoCal⇄Connected Vehicle between 30 seconds and 7 mins (vehicle dependent)
- Automatic saving of trace files
- Includes rotary switch to change tune levels
**All EFI Live orders will take 3-6 business days to program before they are shipped. Be sure all information entered is exact, any misinformation given can result in delays. This is a custom-tailored product and cannot be returned or canceled. Full detailed installation instructions are included, if you are not capable of installation please book your truck in with a local diesel shop to have them install it, we do not offer any tech support regarding the installation and flashing.**
We've packaged all the necessary parts needed for you to delete your off-road 2011-2015 Duramax 2500/3500 6.6L diesel truck!
Please see here for all known issues with this tuner BEFORE ordering
In this package you will receive the following items:
Benefits achieved from this delete kit:
- Free-flowing exhaust system for more power and better fuel economy
- Improved combustion chamber temperatures
- Better longevity of your engine's cooling and exhaust system
- Increased power from more powerful tune flashes
- All the necessary parts needed to fully delete your 11-15 Duramax with a V-Band clamp
This kit includes everything necessary to delete your truck, install it yourself or have it done by a professional.
*This will only work with 2011, 2012, 2013, 2014, & early-production 2015s with the V-Band flange. If you are working on a late model 2015 or 2016 with the 3-bolt flange see here.*
**For off-road use only**
T409 Stainless Steel Round Diesel Muffler - 4" Inlet/Outlet
This universal muffler will require modification of your 4" exhaust system to install.
You will need to cut out the correct length and weld this muffler in, alternatively, you can use clamps.
*No hardware included*
Vehicle Fitment:
2011, 2012, 2013, 2014, 2015 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax pickup trucks. Will not fit Cab & Chassis trucks.
Description: This 4" race pipe allows removal of the catalytic converter and DPF filter from the exhaust system for off-road
Features:
- 4" stainless steel piping
- OE style hangers for easy installation
- Maximum flow for competition applications
- No bungs
- Requires cutting of the factory exhaust
- Does Not Fit Late Model 2015s with 3 Bolt Flange
Add a 4" muffler here
**Requires race tuning**
EFI Live Autocal V3 with custom tuning
With 512MB storage for tune and log files and file transfer times up to 10 times faster than AutoCal V2, AutoCal V3 delivers significant hardware advancements to the tuning market.
AutoCal V3's built-in USB drivers, field upgradeable firmware, and custom menu system makes supporting remote customers a breeze.
Supporting GM, Dodge Cummins, and Cummins Heavy Duty protocols on the one device, a future update for AutoCal V3 will enable license transfers between FlashScan and AutoCal V3 devices where the device license numbers match. AutoCal V3 can be used by tuners with FlashScan V3 (not yet available), FlashScan V2, or FlashScan HD.
AutoCal V3 User Guide is now available to assist both tuners and end-users. The AutoCal V3 label template is also available for tuners who wish to rebrand AutoCal.
Compatibility:
2001, 2002, 2003, 2004, 2005, 2006, 2007, 2007.5, 2008, 2009, 2010 Chevy Silverado & GMC Sierra Duramax 6.6L.
Cab & Chassis trucks will only come with one tune file.
HP Ratings: Stock, +30HP, +65HP, +100HP, +130HP |
Emissions:
DPF, DEF, Cat, and EGR systems are removed on all custom tunes. This is for off-road use only.
Features:
- Improved fuel economy
- Improved performance
- Custom tunes tailored tune files for your specific vehicle and modifications
- Read and clear DTC codes
- High-speed data logging
- Display data while logging
- Read & program calibration and operating system data of engine controller
- Read/Flash AutoCal⇄Connected Vehicle between 30 seconds and 7 mins (vehicle dependent)
- Automatic saving of trace files
- Includes rotary switch to change tune levels
**All EFI Live orders will take 3-6 business days to program before they are shipped. Be sure all information entered is exact, any misinformation given can result in delays. This is a custom-tailored product and cannot be returned or canceled. Full detailed installation instructions are included, if you are not capable of installation please book your truck in with a local diesel shop to have them install it, we do not offer any tech support regarding the installation and flashing.**
Optional lock & key switches are available here.
EGR Valve & Cooler delete kit for 2011-2014 GMC/Chevrolet Duramax 6.6L engines.
Compatibility:
2011, 2012, 2013, 2014 GMC SIERRA / CHEVROLET SILVERADO 2500/3500
Features:
- Allows removal of the complete EGR system
- No more plugged or leaking EGR system
- Includes all hardware and gaskets
- Increases fuel economy
- Increases engine longevity
*Off-road use only. Requires custom tuning*
Vehicle Fitment:
This stainless steel 4" Cat & DPF Delete Race Pipe fits the 2015.5-2017 GMC Chevy Duramax 6.6L 2500/3500 pickup with the LML engine. This kit will only fit models equipped with the OEM-style 3-bolt flange coming off of the turbo direct pipe. Race tuning required.. It Will not fit Cab & Chassis trucks.
Description: This 4" race pipe allows removal of the catalytic converter and DPF filter from the exhaust system for off-road
Features:
- 4" stainless steel piping
- OE style hangers for easy installation
- Maximum flow for competition applications
- No bungs
Add a 4" muffler here
**Requires race tuning**
We've packaged all the necessary parts needed for you to delete your off-road 2015.5-2016 Duramax 2500/3500 6.6L diesel truck!
Please see here for all known issues with this tuner BEFORE ordering
In this package you will receive the following items:
Benefits achieved from this delete kit:
- Free-flowing exhaust system for more power and better fuel economy
- Improved combustion chamber temperatures
- Better longevity of your engine's cooling and exhaust system
- Increased power from more powerful tune flashes
- All the necessary parts needed to fully delete your 15.5-16 Duramax
This kit includes everything necessary to delete your truck, install it yourself or have it done by a professional.
*This kit will only work with late-production 2015s and 2016 model years with the 3-bolt flange. If you are working with an early-production 2015 with the V-band flange see here.*
**For off-road use only**
EGR Valve & Cooler delete kit for 2011-2016 GMC/Chevrolet Duramax 6.6L engines.
Compatibility:
2011, 2012, 2013, 2014, 2015, 2016 GMC SIERRA / CHEVROLET SILVERADO 2500/3500
Features:
- Allows removal of the complete EGR system
- No more plugged or leaking EGR system
- Includes all hardware and gaskets
- Increases fuel economy
- Increases engine longevity
*Off-road use only. Requires custom tuning*

EGR Cooler delete kit for 2017-2023 GM/ChevroletDuramax 6.6L engines.
Compatibility:
2017, 2018, 2019, 2020, 2021 GMC SIERRA / CHEVROLET SILVERADO 2500/3500 L5P Diesel
Features:
- Allows removal of the EGR Cooler
- No more plugged or leaking EGR system
- Includes all hardware and gaskets
- Increases fuel economy
- Increases engine longevity
*Off-road use only. Requires custom tuning*

Vehicle Fitment:
2001, 2002, 2003, 2004, 2005, 2006, 2007 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax LB7 / LLY / LBZ pickup trucks. Will not fit Cab & Chassis trucks.
Description: This 4" race exhaust starts at the downpipe and allows removal of the catalytic converter and DPF filter from the exhaust system for off-road
Features:
- 4" or 5" stainless steel piping
- Downpipe Back Race Exhaust System
- OE style hangers for easy installation
- Maximum flow for competition applications
- No bungs
- Increases Fuel Efficiency
Add a 4" muffler here
Add a 5" muffler here
**Off-road use only. Requires race tuning**