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Description
3.5" Downpipe & Up-Pipe & 4" DPF Race Pipe & EGR Delete Kit For 2017-2023 Silverado/Sierra 2500HD/3500HD L5P Duramax 6.6LThis performance bundle combines a downpipe, uppipe, DPF, and EGR delete kit to comprehensively upgrade the exhaust system for compatible diesel models such as the 20172023 Chevy Duramax 6. 6L and 20102014 Dodge Ram Cummins 6. 7L. The downpipe and uppipe work together to optimize exhaust flow between the turbocharger and exhaust manifold, increasing horsepower and turbo efficiency. By removing the restrictive DPF and EGR systems, the kit reduces
This performance bundle combines a downpipe, uppipe, DPF, and EGR delete kit to comprehensively upgrade the exhaust system for compatible diesel models such as the 2017–2023 Chevy Duramax 6.6L and 2010–2014 Dodge Ram Cummins 6.7L. The downpipe and uppipe work together to optimize exhaust flow between the turbocharger and exhaust manifold, increasing horsepower and turbo efficiency. By removing the restrictive DPF and EGR systems, the kit reduces backpressure and improves fuel mileage, while the EGR delete enhances coolant recirculation for more reliable operation.
EGR Features:
- Function: Eliminates factory EGR system
- Benefits: Improved engine efficiency and better airflow
- Cooling Performance: Faster coolant recirculation
- Construction: High-quality materials for long-term reliability
- Installation: Direct fitment design
- Performance: Optimizes engine cooling and efficiency
- Use: For off-road/competition use only. May require ECU tuning.
- 2017-2023 Chevrolet Silverado 2500 & 3500HD - L5P Duramax Diesel 6.6L Pickup Trucks
- 2017-2023 GMC Sierra 2500 & 3500HD - L5P Duramax Diesel 6.6L Pickup Trucks
- Note: Will not fit Cab & Chassis trucks.
| VEHICLE NAME | YEAR | ENGINE |
|---|---|---|
| Chevrolet Silverado 2500HD | 2017~2023 | 6.6L |
| Chevrolet Silverado 3500HD | 2017~2023 | 6.6L |
| GMC Sierra 2500HD | 2017~2023 | 6.6L |
| GMC Sierra 3500HD | 2017~2023 | 6.6L |
Downpipe Features:
- Construction: 3.5" Mandrel-bent Stainless Steel
- Primary Benefit: Improves exhaust flow and turbo response
- Installation: Direct bolt-on (no tuning required)
- Included: Heat wrap for thermal management
- Compliance: Maintains emissions compliance
- Quality: Precision engineered for perfect fitment
- Application: Downpipe Exhaust
- Material: Stainless Steel
- Surface: Mirror Polish
- Installation: Professional installation recommended
- 2017-2023 Chevrolet Silverado 2500 & 3500HD - L5P Duramax Diesel 6.6L Pickup Trucks
- 2017-2023 GMC Sierra 2500 & 3500HD - L5P Duramax Diesel 6.6L Pickup Trucks
- Note: Will not fit Cab & Chassis trucks.
| VEHICLE NAME | YEAR | ENGINE |
|---|---|---|
| Chevrolet Silverado 2500HD | 2017~2023 | 6.6L |
| Chevrolet Silverado 3500HD | 2017~2023 | 6.6L |
| GMC Sierra 2500HD | 2017~2023 | 6.6L |
| GMC Sierra 3500HD | 2017~2023 | 6.6L |
DPF Race Features:
- Exhaust Material: T-409 stainless steel. Unlike T-304 Stainless it's still magnetic. So if you testing to see if you actually got stainless; beware that a magnet will still stick to it.
- Thickness: 2mm
- Inlet Diameter: 4.0"/5.0
- Mandrel-bent construction: Maximum flow efficiency, helping your diesel breathe easier
- 2017-2019 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD
- 2017-2019 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 3500 HD
- Crew cab short bed & crew cab long bed. This will not fit the 3500/4500/5500 Cab & Chassis commercial-style truck.
| VEHICLE NAME | YEAR | ENGINE |
|---|---|---|
| Chevrolet Silverado 2500HD | 2017~2019 | 6.6L |
| Chevrolet Silverado 3500HD | 2017~2019 | 6.6L |
| GMC Sierra 2500HD | 2017~2019 | 6.6L |
| GMC Sierra 3500HD | 2017~2019 | 6.6L |
Up Pipe Features:
- Upgrade the L5P to achieve higher flow by bolting on PPE OEM-Length Replacement High-Flow Up-Pipes.
- The Length Up-Pipes are manufactured from stainless steel. These new Up-Pipes include the superior internally-sleeved bellows, also manufactured from stainless steel.
- This system is engineered to take the abuse of high temperatures and high pressures, while promoting increased exhaust flow and lower EGTs.
- For 2017-2020 Chevy Silverado 2500HD/3500HD 6.6L L5P Duramax Diesel
- For 2017-2020 GMC Sierra 2500HD/3500HD 6.6L L5P Duramax Diesel
| VEHICLE NAME | YEAR | ENGINE |
|---|---|---|
| Chevrolet Silverado 2500HD | 2017~2020 | 6.6L |
| Chevrolet Silverado 3500HD | 2017~2020 | 6.6L |
| GMC Sierra 2500HD | 2017~2020 | 6.6L |
| GMC Sierra 3500HD | 2017~2020 | 6.6L |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Chicken jerky lollipop goodness!
Size: 1.15 Pound (Pack of 1)
My dogs love these! It’s a small treat because my dogs are big, but it is high value! It’s a chicken jerky lollipop!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 26, 2026
★★★★★ 5
Works every time!
These mint keeps my mouth moist at night!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 5
Works great
As a cpap user, this has made the use much more comfortable. Lasts all night and has subtle flavor.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
★★★★★ 5
Actually helps dry mouth!
I’m giving this product 4.5/5. It works really well for dry mouth during sleep. I recommend starting with 1 tablet and adding a second one only if necessary. (I require 2 tablets at night). This is called “slightly sweet” and is relatively tasteless with a hint of sweetness.
During daytime usage, I’ve been using 2 tablets at a time. The only issue I have during the day is that if I can’t drink on a regular basis I get the white coating from the tablets in the corners of my mouth. I do think that this is the next best product to use when taking sips of water isn’t possible. Works as stated and easily adheres to your gum line/partial tooth. I place them in the back of my mouth and they are not noticeable to others. Added bonus, they don’t leave a slimy coating on your teeth the way a mouth rinse does. Product performs better than expected! If you have dry mouth for any reason please consider giving these a try!!! I wish I would have known about them years ago!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2023
★★★★★ 5
Works for dry mouth
Suffer from dry mouth and these disc size tablets stick to my gums, helping keep my mouth moist through the night. Brown side sticks to your gum. Contain xylitol so s little sweet. Dentist recommended them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025
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