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DieselR Aluminized 4-Inch Race Pipes (Cat & DPF Delete) – 2015.5–2016 GM 6.6L Duramax LML

Price range: $85.71 through $94.00

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Description

The Dieselr Aluminized 4″ Cat & DPF Race Pipes (2015.5–2016) are engineered for maximum flow efficiency, durability, and precise fitment. Constructed from 4-inch heavy-gauge aluminized steel, these pipes provide a smooth, unrestricted exhaust path that helps maintain cooler temperatures and consistent power under load.

Each Dieselr system is mandrel-bent for optimized airflow and precision-welded for structural strength and longevity. The aluminized coating shields against corrosion, heat, and debris, ensuring reliable performance even in harsh environments.

Designed with factory-style alignment and clamping points, installation is straightforward, resulting in a tight, clean fit that holds up over time. Built to Dieselr’s performance standards, this setup combines mechanical strength, seamless flow, and proven endurance.

Key Features

  • 4″ aluminized steel for strength and corrosion resistance
  • Mandrel bends for efficient, consistent exhaust flow
  • Factory-style hangers for clean, secure installation
  • Tested for long-term reliability under demanding conditions

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Additional information

Race Pipe Exhaust Type

4-inch Race Pipe with Muffler, 4-inch Race Pipe without Muffler

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