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2017-2019 Duramax L5P 4" Downpipe Back Exhaust No Muffler (431022)

SKU 431022

Previous Part Number: FLO-880NM / FLO-SS880NM

Original price $830.00 - Original price $1,020.00
Original price
$830.00 - $1,020.00
Current price $830.00

This product cannot be shipped to the USA

  • Overview
  • Fits
  • Notes

Our exhaust systems are offered in 16 gauge aluminized steel or T409 Stainless for easy installation and utmost durability. Expected benefits include enhanced performance, decreased EGTs, heightened flow, and improved breathing for your truck. With our FLO~PRO exhaust system, gain horsepower you can hear!

GM Duramax

2017 - 2019

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


These parts are for use on non-registered race vehicles on closed-course competition events *Installing or using this part on any emission-controlled vehicle ("street" or "off-road") may violate federal and/or state emissions laws and regulations. *Not available to ship to the United States


Most orders are shipped 1-2 weekdays after an order is placed, depending on availability. Some products are shipped directly from manufacturers and may be subject to duty and taxes.


Not all products are stocked in house. Please check for availability as some products may be backordered.