Product Description
Improve exhaust flow and reliability on your L5P Duramax with the WEHRLI CUSTOM FAB WCF100624 2IN STAINLESS UP PIPE KIT WITH GASKETS. Designed specifically for the 2017-2022 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L L5P Duramax engine, this premium exhaust upgrade replaces restrictive factory up pipes with high-flow mandrel-bent stainless steel piping engineered for durability and improved turbo performance.
The Wehrli Custom Fabrication up pipe kit features precision-fabricated 2-inch stainless steel pipes that provide smoother exhaust gas flow to the turbocharger. Increased exhaust velocity improves turbo spool time, reduces backpressure, and supports higher horsepower builds. Each kit includes the required installation hardware and gaskets to ensure a secure and leak-free installation.
Built from corrosion-resistant stainless steel and engineered for perfect fitment on the L5P platform, this kit is ideal for performance enthusiasts, towing applications, and diesel truck owners looking to maximize reliability and efficiency from their Duramax engine.
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Key Features
- 2-inch mandrel bent stainless steel up pipes
- Improves exhaust flow to the turbocharger
- Faster turbo spool and reduced backpressure
- Precision engineered for 2017-2022 L5P Duramax trucks
- Corrosion resistant stainless steel construction
- Includes installation gaskets
- Direct replacement for restrictive factory piping
Fitment
- 2017 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2018 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2019 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2020 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2021 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2022 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2017-2022 GMC Sierra 2500HD / 3500HD 6.6L Duramax L5P
Frequently Asked Questions
What are the benefits of upgrading the factory L5P up pipes?
Upgraded stainless up pipes improve exhaust gas flow to the turbocharger, helping reduce backpressure and improve turbo response while increasing overall durability compared to factory components.
Does this kit include gaskets?
Yes. The Wehrli WCF100624 kit includes the necessary gaskets required for installation.
Is tuning required after installation?
No tuning is required to install this up pipe kit, although vehicles with performance tuning will benefit most from the increased exhaust flow.
Is this a direct bolt-on upgrade?
Yes. This kit is designed as a direct replacement for the factory up pipes on L5P Duramax trucks.
Will this improve turbo spool time?
Yes. The larger, smoother mandrel-bent pipes reduce exhaust restriction which can improve turbo spool and overall engine efficiency.
Specifications for WEHRLI CUSTOM FAB WCF100624
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100624 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Shipping Weight | Approximately 8 lbs |
| Package Dimensions | 24 x 12 x 6 inches |
| Shipping Method | UPS / FedEx Ground |
| Prop 65 Warning | This product may contain chemicals known to the State of California to cause cancer or reproductive harm. For more information visit https://www.P65Warnings.ca.gov |
