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The aFe ATLAS 4" DPF-back aluminized steel exhaust system is a direct-fit dual-exit kit for 2017–2019 GM Duramax 6.6L L5P trucks that converts single to dual exhaust. Constructed from 4" mandrel-bent aluminized tubing with OE-style bayonet hangers and quality band clamps, it installs using factory mounting locations and a bolt-on bracket. Dual polished 6" tips complete the look while smooth bends help increase flow and lower EGTs.
aFe ATLAS 4in DPF-Back Alum Steel Exhaust System w/Dual Exit Polished Tip 2017 GM Duramax 6.6L (td)
