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Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware

Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware

WCF100226

In stock

$2,113.75 USD
$2,225.00 USD $2,113.75 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit is a high-performance upgrade designed to replace the restrictive factory cast manifolds on 2017-2025 L5P Duramax engines. Crafted from high-strength billet steel and TIG-welded for durability, these manifolds feature exhaust port gasket matching and internal division to optimize exhaust flow with both OEM and ported cylinder heads. The kit includes 2-inch stainless steel high-flow up pipes that complement the manifolds for enhanced exhaust efficiency. Finished in a black ceramic coat rated for 2000 degrees Fahrenheit, the components offer superior heat resistance and long-lasting performance. The design also incorporates necessary sensor ports and an EGR riser flange to maintain full emissions system compatibility.

This kit fits 2017 through 2025 Chevrolet Duramax L5P engines, providing a direct replacement for factory exhaust manifolds and up pipes. Installation is straightforward with included new gaskets, ARP 12-point fasteners, and assembly lube to ensure a secure and leak-free fit. The manifolds’ outlet locations are engineered for seamless compatibility with OEM-style up pipes, making this kit suitable for street, towing, and performance applications. By upgrading to this billet manifold and stainless up pipe combination, users gain improved exhaust flow, enhanced durability, and maintained emissions compliance for their Duramax-powered trucks.

Overview

Wehrli Billet Exhaust Manifold & Up Pipe Kit

Fits 2017–2024 Chevrolet Duramax L5P Diesel Engines

Part #: WCF100226

Overview

The Wehrli Billet Exhaust Manifold & Stainless Up Pipe Kit is designed to replace the restrictive factory cast manifolds on 2017 to 2024 Chevrolet Duramax L5P diesel engines. Crafted for enthusiasts and professionals seeking improved exhaust flow and durability, this kit supports enhanced engine breathing by reducing backpressure and optimizing exhaust gas evacuation. Its robust construction and precise engineering help maintain reliability under demanding conditions while supporting potential performance upgrades.

Key Features

This exhaust manifold and up pipe kit offers a range of technical benefits tailored for diesel performance applications:

  • Manufactured from high-strength billet steel with TIG welding for superior durability and precision
  • Exhaust port gasket matched and internally divided to optimize flow with both OEM and ported cylinder heads
  • Includes 2" stainless steel high-flow up pipes designed for seamless integration with OEM-style components
  • Equipped with sensor ports and EGR riser flange to maintain full compatibility with vehicle systems
  • Finished in a black ceramic coating rated to withstand temperatures up to 2000°F for enhanced heat resistance
  • Comes complete with new gaskets, ARP 12-point fasteners, and assembly lube for straightforward installation

Construction & Design

The kit’s billet steel manifolds are precision-machined and TIG-welded to ensure structural integrity and consistent performance. The internal division and gasket-matched ports reduce turbulence and improve exhaust gas flow dynamics. The black ceramic coating not only provides a sleek appearance but also offers excellent thermal protection, helping to manage under-hood temperatures effectively.

Installation & Fitment

Designed as a direct replacement for factory manifolds on 2017–2024 Chevrolet Duramax L5P engines, this kit includes all necessary hardware and gaskets to facilitate a smooth installation process. The inclusion of ARP 12-point fasteners and assembly lube ensures proper torque and sealing, minimizing installation time and potential leaks.

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