Downpipe & EGR Valve Cooler Delete Kit for 6.6L Duramax L5P Chevy GMC (2017-2023)
Details
he Downpipe & EGR Valve Cooler Delete Kit is the ultimate performance upgrade for your 2017-2023 Chevy Silverado or GMC Sierra equipped with the 6.6L Duramax L5P engine. By eliminating the restrictive factory EGR system and replacing the stock downpipe with a high-flow 3.5-inch stainless steel unit, this kit unlocks noticeable horsepower, torque, and throttle response gains while lowering exhaust gas temperatures. Whether you tow heavy loads or drive your diesel truck daily, this all-in-one delete kit delivers cleaner intake air, faster turbo spool, and reduced long-term maintenance costs. Keep reading to learn how this kit transforms your L5P Duramax.
| Brand | Model | Year | Engine Model |
|---|---|---|---|
| Chevrolet | Silverado 2500HD / 3500HD | 2017-2023 | 6.6L Duramax L5P |
| GMC | Sierra 2500HD / 3500HD | 2017-2023 | 6.6L Duramax L5P |
✅ Exact Fitment Guarantee | If you are unsure about compatibility, please contact us at service@egrperformance.com with your VIN number.
Shipping Details
Package List
Delivery Time
2-5 working days inland in the United States
Attention
LEGAL DISCLAIMER
This product may NEVER be installed on a vehicle registered for highway or public street use. By installing this product onto your vehicle, you assume all risk and liability associated with its use. It is your responsibility to make sure your vehicle complies with all federal, state, and local emissions laws.
Federal and many state and local laws prohibit the removal, modification or rendering inoperative of any part of the design affecting emissions or safety on motor vehicles used on a public street or highway. Violation may result in a fine of up to $32,500 per vehicle (or possibly higher depending on changes in the law). All civil penalties and fines for removing your vehicle's emissions equipment are the sole responsibility of the end user.
No other applications besides off-road competition racing use are intended or implied. Depending on where you live, additional restrictions may apply. Check all applicable laws before installing or using.
Not available for sale or use in the state of California, Colorado and Arizona.
Product details
- Dispatch Time: Orders will be shipped within 24 hours after successful payment.
- Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
- Return Window:7 days for unsatisfactory items45 days for quality-related issues
- Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).