Description
Product Overview
The Walker 44400 exhaust extension pipe is engineered for durability and performance. Crafted from high‑grade aluminized steel, the pipe offers superior corrosion resistance while maintaining the structural integrity required for heavy‑duty applications. Its bolt‑on installation type eliminates the need for welding, allowing a quick, tool‑free fit. With dimensions of 42 x 4 x 4 inches and a weight of 5.1 pounds, the pipe balances robust construction with manageable handling. The direct‑fit design aligns with original equipment specifications, ensuring a seamless integration with existing exhaust components.
Usage
Designed for Chevrolet C3500 trucks produced between 1990 and 1995, this extension pipe excels in both daily commuting and demanding work environments. Whether navigating city streets, hauling cargo, or tackling off‑road terrain, the pipe maintains consistent exhaust flow, reducing backpressure and supporting engine efficiency. Ideal for owners seeking a reliable replacement or an upgrade to enhance their vehicle’s exhaust system, the product fits perfectly when paired with Walker catalytic converters and mufflers for a comprehensive performance solution.

Why Choose Us
Walker, a Tenneco brand, brings decades of automotive expertise to every component. This extension pipe undergoes rigorous fixture checks to guarantee a precise fit that mirrors factory standards. The aluminized‑steel construction not only inhibits rust but also extends the service life of the exhaust system. Our commitment to quality is reflected in a 5‑star customer rating, underscoring satisfaction with fit, durability, and ease of installation.
Key Features
- Durable aluminized‑steel construction for superior corrosion resistance
- Bolt‑on design eliminates welding, enabling fast, hassle‑free installation
- Direct‑fit engineering ensures OEM‑level alignment and performance
- Precision bends and OE‑style hangers provide a seamless fit with existing exhaust components
- Compatible with Walker catalytic converters and mufflers for a complete system upgrade
FAQ
Will this pipe fit my 1993 Chevrolet C3500?
Yes, the Walker 44400 is specifically sized for Chevrolet C3500 models from 1990 through 1995, including the 1993 year.
Do I need any special tools to install the pipe?
No special tools are required. The bolt‑on design uses standard bolts and nuts, allowing installation with basic hand tools.
Is the aluminized steel prone to cracking under high heat?
The aluminized coating protects against corrosion, while the underlying steel is engineered to withstand typical exhaust temperatures without cracking.
Can I use this pipe with a different brand of muffler?
While the pipe is optimized for Walker mufflers, it can be paired with other compatible mufflers that match the inlet and outlet diameters.
What is the warranty on this product?
Walker offers a limited warranty covering manufacturing defects for a period specified in the product documentation.








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