Related Article Flowmaster’s New GM 6.6L HD Direct-Fit Muffler Adds Power And Rumble Related Article OffroadVideos

Flowmaster’s New GM 6.6L HD Direct-Fit Muffler Adds Power And Rumble

Flowmaster's New GM 6.6L HD Direct-Fit Muffler Adds Power And Rumble

Flowmaster has a new exhaust upgrade for 2020-2025 GM 6.6-liter HD gas trucks.

The FlowFX direct-fit muffler adds a deep, drone-free sound and is easy to install.

evanderespolong
Posted by Evander Espolong
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