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Essential Magnaflow Down-pipe 06-07 Gm Diesel 6.6l Series [OJEyw9bY]

$37.99 $121.99 -69%

MagnaFlow Down-Pipe for GM Diesel 6.6L Introducing the MagnaFlow Turbo Downpipe 15399, a top-tier exhaust system component designed specifically for the 2001-2007 Chevrolet Silverado 2500 HD, Silverado 3500, and GMC Sierra 2500 HD, 3500 models. This

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MagnaFlow Down-Pipe for GM Diesel 6.6L

Introducing the MagnaFlow Turbo Downpipe 15399, a top-tier exhaust system component designed specifically for the 2001-2007 Chevrolet Silverado 2500 HD, Silverado 3500, and GMC Sierra 2500 HD, 3500 models. This downpipe is engineered to provide superior performance and improved fuel efficiency for your GM diesel vehicle. Crafted with precision and quality, it features a 4-inch diameter mandrel-bent stainless steel construction that ensures durability and longevity.

High-Quality Construction and Performance

The MagnaFlow Turbo Downpipe is a testament to excellence in engineering. Each downpipe is meticulously manufactured using state-of-the-art CNC robotic techniques, ensuring precision and consistency. The 100% stainless steel construction is not only durable but also corrosion-resistant, making it a reliable addition to your vehicle. This downpipe boasts superior flow characteristics, which lead to increased power output and enhanced throttle response. Key features include:

  • 4-inch diameter mandrel bent stainless steel pipe
  • Weight-optimized design for superior flow
  • 100% durable, corrosion-resistant stainless steel construction

Enhanced Performance and Everyday Benefits

Upgrade your GM diesel vehicle with the MagnaFlow Turbo Downpipe for a noticeable performance boost. This downpipe is perfect for those seeking improved acceleration, increased towing capacity, and a more aggressive sound. Its high-flow design allows for better exhaust gas evacuation, resulting in improved fuel efficiency and reduced emissions. Whether you're a daily driver or a heavy-duty truck user, this downpipe is designed to enhance your driving experience. Ideal for:

  • Professional installation for maximum performance
  • Customizing your vehicle with a sleek and efficient exhaust system
  • Boosting power and fuel efficiency in your GM diesel truck

What Our Customers Say

January 3, 2026

Absolutely no complaints!

This is a very smart and very efficient tool.

- Bodhi T..

January 3, 2026

Absolutely no complaints!

A great product that is very, very smart.

- Logan Q..

January 3, 2026

Absolutely no complaints!

It’s a beautifully crafted and effective tool.

- Caleb J..

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