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Durable Afe Large Bore Hd 4in 409-ss Dpf-back Exhaust W/black Tip 2017 Gm Duramax V8-6.6l (td) L5p Set [60WHy4FD]

$53.99 $172.99 -69%

Large Bore HD 4in 409-SS DPF-Back Exhaust with Black Tip Experience the ultimate in performance and style with the aFe Large Bore HD 4in 409-SS DPF-Back Exhaust System. Designed specifically for the 2017-2019 GM Duramax V8-6.6L L5P engines, this exha

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Large Bore HD 4in 409-SS DPF-Back Exhaust with Black Tip

Experience the ultimate in performance and style with the aFe Large Bore HD 4in 409-SS DPF-Back Exhaust System. Designed specifically for the 2017-2019 GM Duramax V8-6.6L L5P engines, this exhaust system offers a seamless installation process and exceptional durability. With its OE-style bayonet hangers and leak-free seals, it ensures a stable fit and optimal performance. The 5" mandrel-bent 409 stainless steel tubing maximizes flow, enhancing horsepower and torque while lowering exhaust gas temperatures (EGT's). Upgrade your GM diesel truck with this top-tier exhaust system.

Product Specifications and Features

The aFe Large Bore HD 4in 409-SS DPF-Back Exhaust System is crafted from premium 409 stainless steel tubing for unmatched strength and corrosion resistance. The system features a 6" diameter black, stainless steel slash cut tip with intercooling vents, reducing EGT's and providing a sleek, aggressive appearance. Key features include:

  • Simple Installation: Utilizes factory mounting locations for hassle-free setup.
  • Leak-Free Seal: Equipped with high-quality band clamps for complete 360-degree sealing.
  • Flow and Performance: 5" mandrel-bent tubing and smooth transition bends for increased horsepower and torque.

Practical Benefits and Target Audience

Whether you're a daily driver or a heavy-duty enthusiast, the aFe Large Bore HD 4in 409-SS DPF-Back Exhaust System is the perfect choice for your GM diesel truck. Its advanced design and robust construction provide improved airflow, enhanced performance, and a stylish finish. This exhaust system is ideal for:

  • 2017-2019 Chevrolet Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD models.
  • Owners seeking increased power, improved efficiency, and a refined appearance.

What Our Customers Say

December 31, 2025

Absolutely no complaints!

I'm very pleased with my purchase.

- Andrea O..

December 31, 2025

Absolutely no complaints!

So glad I bought this. It's great.

- Simon N..

December 31, 2025

Absolutely no complaints!

A very high-quality and useful item.

- April R..

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