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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
4.9 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Superb!!!!
Color: White, Size: Queen (Pack of 4)
If I could give more than 5 stars I would. I purchased these beauties 6 months ago and they are still fluffy and firm. I'm amazed by the price point. I will definitely re-order for the guess bedroom.
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Reviewed in the United States on May 24, 2026
★★★★★ 4
Soft and comfortable, NOT firm.
Color: White, Size: Queen (Pack of 2), Color: White, Size: Queen (Pack of 2)
Overall, these are comfortable pillows for the price, especially if you prefer something soft rather than firm.
The pillows arrived vacuum sealed, which is pretty standard. Once opened, they fluffed up well after some time and looked full enough to use. Right away, they felt soft and plush, and sleeping on them was comfortable from the first night. In terms of comfort and support, these pillows are definitely on the softer side. They work well for side and back sleeping if you like a pillow that you can sink into a bit. They’re not firm or dense, but they’re still cozy and gentle on the neck and head.
After a few days of use, I did notice that the pillows started to look a little lumpy and uneven. The filling tends to shift, so they don’t hold their shape perfectly and need regular fluffing. That said, even when they look a bit misshapen, they’re still soft and comfortable to sleep on. If you’re someone who needs strong neck support or prefers a firm hotel-style pillow, these may feel too soft. However, if comfort and plushness are your priority, they do the job well.
For the price, I think they’re a good value. They’re not luxury pillows, but they’re comfortable, decent quality, and perfectly fine for everyday use or a guest bed.
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Reviewed in the United States on January 5, 2026
★★★★★ 5
Nice and comfortable as it is light and supportive in all positions
Color: White, Size: Standard (Pack of 2)
Beautiful light pillows that will absolutely provide the comfort and easiness towards a great night of sleep!
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Would buy again
Color: White, Size: Standard (Pack of 2)
This is a good pillow if you like them firm and thin. I let them sit out for 2 days (per instructions).
After having them a week, they've perked up and became more full. I guess they just need time after being in the air. They are softer now but your head doesn't sink thru it. They are actually nice and soft to the touch as well.
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Reviewed in the United States on May 4, 2026
★★★★★ 3
On the thin side....
Color: White, Size: King (Pack of 2)
These are described as "high loft" and "supportive", but they are fairly thin/flat and very soft.
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Reviewed in the United States on May 26, 2026