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2020-2025 Duramax 4" Downpipe Back Exhaust w/ Muffler (431027 / 432027)

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Flo-Pro Mft Part Number: 20141-431027
$1,070.00 CAD
Material
Notices

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Truck Fitment

Features
  • 4" Down Pipe Back Exhaust
  • OEM Style 4-Bolt Flange
  • Includes High Flow Muffler
  • Increased Torque & Fuel Mileage
  • Aluminized or T409 Stainless Steel
  • Easy Installation

Notes
  • These kits will only fit models equipped with the OEM style 4-bolt flange off the turbo direct pipe!

Questions and Answers

Don't see your question? Ask us anything about this product.

  • Would a guy need a tune to run this?

    Yes.

  • Would a guy need a tune to run this?

    Yes.

Vehicle Fitment - Part No: 431027

Product Fitment Notes
  • 4-Bolt Flange.
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