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MBRP 3in Down Pipe Kit | GM Duramax 6.6L (15-19 Silverado 2500/3500, GMC Sierra 3500) (GM8428)

MBRP 3in Down Pipe Kit | GM Duramax 6.6L (15-19 Silverado 2500/3500, GMC Sierra 3500) (GM8428)

GM8428

In stock

$294.99 USD
$364.40 USD $294.99 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The MBRP 15.5-16 GM Duramax 6.6L 3-inch Down Pipe Kit is a direct replacement exhaust component designed to improve airflow from the turbocharger to the exhaust system. Constructed from durable materials, this downpipe eliminates restrictions present in the factory unit, resulting in increased exhaust flow, enhanced fuel economy, and improved overall performance. Its design aims to optimize exhaust gas velocity, which can contribute to better engine response and power output. The kit is engineered for a precise fit and straightforward installation, making it an effective upgrade for Duramax 6.6L engines.

This downpipe kit is compatible with 2015 and 2016 GM Duramax 6.6L models. It is intended for use in applications where increased exhaust flow and performance are desired, such as towing, off-road, or performance tuning. The product replaces the OEM downpipe and may require removal of catalytic converters, which could be a legal consideration depending on jurisdiction. Not for sale or use in California, this kit is suitable for off-road or racing applications and is designed for direct bolt-on installation, providing a reliable upgrade for diesel truck enthusiasts.

Overview

MBRP Down Pipe Kit

Fits 2015–2016 GM Duramax 6.6L

Part #: GM8428

Overview

The MBRP 15.5-16 GM Duramax 6.6L 3-inch Down Pipe Kit is a high-performance replacement component designed to improve exhaust flow in your diesel truck. Crafted for enthusiasts seeking enhanced efficiency and power, this downpipe replaces the restrictive factory unit, supporting better airflow and fuel economy. It is ideal for those looking to optimize their vehicle’s performance while maintaining durability and quality standards. This direct replacement downpipe is engineered to support your vehicle’s powertrain by reducing exhaust backpressure, which can contribute to improved throttle response and overall engine efficiency. Whether you’re upgrading for increased performance or replacing a worn-out part, this kit offers a reliable solution tailored for your Duramax diesel engine.

Key Features

Designed with precision, the MBRP downpipe features high-quality materials and a seamless construction to withstand the rigors of daily driving and towing. Its 3-inch diameter enhances exhaust flow, helping to reduce restrictions and support your vehicle’s power output. The kit is engineered for a straightforward installation, making it accessible for DIY enthusiasts and professional mechanics alike. Its durable finish resists corrosion, ensuring long-lasting performance under harsh conditions.
  • Constructed from high-grade steel for strength and durability
  • 3-inch diameter for optimal exhaust flow
  • Direct replacement for factory downpipe
  • Supports improved fuel economy and response
  • Designed for easy bolt-on installation
  • Resists corrosion with a durable finish

Construction & Design

The downpipe is manufactured from high-quality steel with precise bends and welds to ensure a perfect fit and reliable performance. Its robust construction is designed to handle high temperatures and exhaust gases, providing a long-lasting upgrade that maintains structural integrity over time.

Installation & Fitment

This kit is designed for a direct bolt-on replacement, simplifying the installation process. It fits 2015–2016 GM Duramax 6.6L models, offering a straightforward upgrade for your diesel truck without the need for extensive modifications. Please note that removal of OEM catalytic converters may violate emissions laws in your jurisdiction. Ensure that the intended use of this product complies with local regulations. Not for sale or use in the state of California.
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