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Wehrli Duramax Exhaust Manifold Kit | Chevy Silverado/GMC Sierra 01-16 (WCF100363)

Wehrli Duramax Exhaust Manifold Kit | Chevy Silverado/GMC Sierra 01-16 (WCF100363)

WCF100363

In stock

$1,401.65 USD
$1,445.00 USD $1,401.65 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit is a high-performance upgrade designed to replace the restrictive factory cast manifolds on Duramax engines from 2001 to 2016. Crafted from high-strength billet steel and TIG-welded for durability, these manifolds feature exhaust port gasket matching and internal division to enhance exhaust flow. The design improves engine breathing, resulting in increased horsepower and torque, while maintaining OEM compatibility. The outlet locations are engineered to work seamlessly with OEM style up pipes, and the kit is optimized when paired with Wehrli's 2-inch stainless high-flow up pipes, sold separately. Including new gaskets and ARP 12-point head studs, this kit ensures a secure, reliable installation for performance gains.

This exhaust manifold kit is suitable for 2001-2016 Chevrolet Duramax trucks equipped with either stock or ported cylinder heads. It is intended for use in applications requiring improved exhaust flow, such as towing, daily driving, or performance upgrades. The bolt-on design allows for straightforward installation, making it an ideal upgrade for enthusiasts seeking increased power and efficiency. The kit includes all necessary components for a complete replacement, ensuring compatibility with OEM or aftermarket exhaust systems. Designed for durability and performance, this manifold kit enhances engine output while maintaining long-term reliability in demanding conditions.

Overview

Wehrli Exhaust Manifold Kit

Fits 2001–2016 Chevrolet Duramax

Part #: WCF100363

Overview

The Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit is a high-performance upgrade designed for diesel truck enthusiasts and mechanics seeking improved exhaust flow and durability. Crafted from billet steel and TIG-welded for strength, these manifolds replace the restrictive factory cast parts, offering a significant upgrade in exhaust efficiency. They are engineered to support enhanced engine response and longevity, making them ideal for those looking to optimize their Duramax’s performance and reliability. Whether for daily driving, towing, or performance applications, this kit provides a robust solution that helps your engine breathe better and operate more efficiently.

Key Features

Designed with high-flow billet steel construction, these manifolds feature gasket-matched ports and internal divisions for optimal exhaust flow. The outlet locations are fully compatible with OEM-style up pipes, ensuring a straightforward installation. The kit includes new gaskets and hardware for a complete upgrade, reducing exhaust restrictions and supporting better heat management. The TIG welding process ensures precise craftsmanship and structural integrity, making these manifolds a durable choice for demanding applications. Their design helps improve exhaust scavenging, which can contribute to better engine response and potentially increased power output.

Construction & Design

Constructed from billet steel and TIG-welded, these manifolds are built for strength and longevity. The gasket-matched ports and internal divisions are carefully machined to ensure precise fitment and optimal airflow. The outlet locations are designed to seamlessly integrate with OEM or aftermarket up pipes, facilitating a clean and efficient installation.

Installation & Fitment

This kit is designed for direct bolt-on installation on 2001-2016 Chevrolet Duramax engines. Proper installation requires standard hand tools and may benefit from professional mechanical expertise to ensure optimal fitment and sealing.

What’s Included

The package includes high-flow billet exhaust manifolds, new gaskets, and all necessary hardware for installation.

Ideal For

Perfect for Duramax owners looking to improve exhaust flow, enhance engine response, and increase durability for towing, daily driving, or performance upgrades.
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