2017-2022 Duramax 3.5" Downpipe w/ 4 Bolt Flange (A40101)

Note: Custom Tuning is required

If you're looking to increase performance, improve your exhaust flow, and enhance the sound of your Duramax, then the Flo-Pro Turbo Downpipe is the perfect upgrade! Featuring high-quality heat wrap, and mandrel bends, it's the perfect minor upgrade at an affordable price and easy to install!

Part Number: A40101

• 3.5" Turbo direct pipe
• Includes heat wrap
• Machine flange
• Direct bolt-on
• Improved airflow & performance
• 4-bolt flange

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  is this product all stainless steel?

  This downpipe is made from stainless steel—specifically T-409 stainless.