2017-2021 GM 6.6L DURAMAX L5P - 3.5" DOWNPIPE

2017-2021 GM 6.6L DURAMAX L5P - 3.5" DOWNPIPE

FLO~PRO 3.5" Downpipe with a 4 bolt flange. T-409 Stainless Steel replacement turbo downpipe for 2017-2021 GMC/Chevy Duramax 6.6L Duramax L5P trucks. Allow your truck to breath with this free flowing FLO~PRO Downpipe. FLO~PRO, horsepower you can hear!

Features:

• 3.5" Downpipe
• OEM Style 4 Bolt Flange
• T-409 Stainless Steel
• Quality Heat Wrap
• Removes Factory CAT and allows tune levels over 50HP

Fitment:

• 2017-2021 GM 6.6L Duramax L5P
• For 2020+ applications adjustments need to be made to the hanger
• These kits will only fit models equipped with the OEM style 4-bolt flange off the downpipe!

*This product requires the use of aftermarket tuning. 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.*