3-Inch Aluminized Steel Dual Exhaust System; Side Exit (15-18 5.3L Sierra 1500)Find parts that fit my vehicle

Performance Exhaust Solution. The Kit 3in CB Dual Gas Al Chevy/GM 4.3L - K3126A enhances exhaust flow and sound for the 2015-17 Chevy/GMC 4.3L and 5.3L gas 1500 half-ton trucks. Designed to replace the factory cat-back system, it increases performance while maintaining drivability and emissions compliance. This upgrade provides better throttle response and a more aggressive exhaust note beneficial for both daily driving and spirited use.

Construction and Appearance. Crafted from durable aluminized steel, the tubing features a 3-inch diameter for optimal flow dynamics. All components are designed for durability and corrosion resistance with a smooth aluminized finish that balances performance and long-lasting protection under various road conditions.

Installation. Installation is straightforward with a bolt-on design requiring no drilling, welding, or cutting. This kit fits directly onto the existing factory hangers and connections, making it accessible for both professional mechanics and skilled DIY enthusiasts.

Warranty. The product includes a limited warranty covering manufacturing defects for a specified period.

Application. Specifically engineered to fit 2015-18 5.3L Sierra 1500 models without modification. Compatible with all cab and bed configurations within the stated model years, ensuring precise fitment and reliable performance.

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