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15.5+ GM 6.6L Duramax FloPro 4" Stainless Downpipe Back Cat/DPF Delete Exhaust

2015.5+ GM 6.6L Duramax FloPro 4" Stainless Downpipe Back Race Exhaust

From FloPro FloPro



I understand I must fill out & sign a waiver before this item will ship


2015.5 and up GM 6.6L Duramax FloPro 4" Stainless Downpipe Back Cat/DPF Delete Exhaust

Fits, GM LML Duramax Diesel 2015.5 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually.

* IMPORTANT NOTE: These kits will only fit models equipped with the OEM style 3-bolt flange off the turbo direct pipe! If you do not have a 3-bolt flange, please see our 2011-2015 Duramax Exhaust Kits.

4" Mandrel bent tubing for maximum flow

  • Lower Exhaust Gas Temperatures
  • More Pulling Power
  • Utilizes OEM Hangers
  • Increased Horsepower and Torque
  • Easy Bolt-on Kits, "Everything you need"

Please Choose Muffler Option.

Any product that requires the removal of ANY emissions control device is strictly prohibited and is intended for closed course racing only for non-registered vehicles. Our systems were designed to fit factory vehicles without ANY after market 5th wheel or in-bed gooseneck hitches, chassis or suspension mods.

This product may defeat emissions systems via electronic or mechanical means and is STRICTLY  for off-road use only. According to the EPA Clean Air Act, it is illegal for use on any Federal, State, or Local public highways and illegal use is punishable by the penalties enacted by the mentioned laws. We do not condone illegal use of these products, and a Liability waiver must be filled out, signed, & returned before this item will ship. Click here for Online Liability Waiver or here for Fax/Email Liability Waiver. We do NOT accept returns on ANY emissions defeating electronics or equipment. NO EXCEPTIONS! This item CANNOT be shipped to California.

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