PPE Performance DPF-Back Single Exhaust System with Polished Tubing and Polished Tip; Side Exit (23-26 3.0L Duramax Sierra 1500)Find parts that fit my vehicle

High-Flow Exhaust Performance. The PPE Performance DPF-Back Exhaust System is designed to boost exhaust efficiency and improve sound output for your vehicle's diesel powertrain. Built for durability and performance, this system replaces restrictive stock components with a high-flow design that reduces backpressure and enhances overall engine responsiveness. This product fits 2023–2026 3.0L Duramax GMC Sierra 1500 models and reuses the factory exhaust valve and mounting points for a secure and OE-level installation.

Construction and Appearance. Crafted from premium 4-inch 304 stainless steel tubing, the system features a polished chrome finish that delivers both corrosion resistance and a bold appearance. It includes a matching chrome tip for a clean, finished look. The single side exit design eliminates the factory muffler, resulting in a more aggressive tone and streamlined flow characteristics.

Installation. Installation of this exhaust system requires cutting the stock exhaust for proper fitment. Once cut, the system bolts directly to existing mounting locations, simplifying the process. Designed as a direct replacement for GM part numbers GM 84495633 and GM 84495632, it retains the use of the OEM exhaust valve, maintaining compatibility with factory emissions systems.

Warranty. The PPE Performance DPF-Back Exhaust System is backed by a limited 1-year warranty, offering protection against defects in materials and craftsmanship. Built for performance and reliability, it’s engineered to withstand daily use and demanding conditions.

Application. This PPE Performance DPF-Back Exhaust System fits 2023–2026 3.0L Duramax GMC Sierra 1500 models. It enhances exhaust flow, sharpens engine tone, and reduces backpressure for better throttle response. Ideal for performance enthusiasts looking to upgrade their diesel exhaust while maintaining factory compatibility.

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