• Magnaflow California Grade Direct-Fit Catalytic Converter | Chevrolet Silverado 2500 HD 6.0L (03-06) (4551479)
  • Magnaflow California Grade Direct-Fit Catalytic Converter | Chevrolet Silverado 2500 HD 6.0L (03-06) (4551479)
  • Magnaflow California Grade Direct-Fit Catalytic Converter | Chevrolet Silverado 2500 HD 6.0L (03-06) (4551479)
  • Magnaflow California Grade Direct-Fit Catalytic Converter | Chevrolet Silverado 2500 HD 6.0L (03-06) (4551479)
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Magnaflow California Grade CARB Cat-Back | Chevy Silverado 2500 HD/ GMC Sierra 03-06 (4551479)

Magnaflow California Grade CARB Cat-Back | Chevy Silverado 2500 HD/ GMC Sierra 03-06 (4551479)

4551479

In stock

$1,520.00 USD
$1,520.00 USD $1,520.00 USD
kADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The MagnaFlow California Grade CARB Cat-Back is a high-performance exhaust system designed specifically for the Chevy Silverado 2500 HD and GMC Sierra models from 2003 to 2006. Crafted from highly corrosion-resistant stainless steel, this direct-fit system features mandrel-bent tubing to ensure optimal exhaust flow and enhanced engine performance. Its design helps maintain emissions compliance while reducing exhaust restrictions, resulting in improved horsepower and torque. The system’s construction and precise engineering deliver a deep, aggressive sound profile, making it suitable for enthusiasts seeking both durability and a refined exhaust note. Installation is straightforward, with no cutting or welding required, allowing for a DIY-friendly upgrade that maintains factory fitment and quality standards.

This cat-back exhaust is tailored for 2003-2006 Chevy Silverado 2500 HD and GMC Sierra trucks equipped with suitable engines, serving as a direct replacement for stock components. It is ideal for daily drivers, off-road enthusiasts, and those seeking a performance boost without sacrificing emissions compliance. The kit includes all necessary mounting hardware and components for a seamless installation. Designed to improve exhaust flow and reduce backpressure, this system enhances overall vehicle performance and sound. It is recommended for use on street-driven trucks that require a reliable, high-quality exhaust upgrade compliant with California emissions regulations.

Overview

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4551479. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed to fit the 2003-2006 Chevrolet Silverado 2500 HD, 2003-2006 GMC Sierra 2500 HD, and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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