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The aFe Apollo GT Series cat-back for 2020 GM 2500/3500HD V8 6.6L L8T uses 4" mandrel-bent 409 stainless steel tubing and a high-flow 409 stainless muffler to deliver a deep, resonant tone. A 5" black 409 stainless clamp-on tip with a riveted aFe POWER logo finishes the system. It uses factory-style flanges and hangers for direct bolt-on fitment and is 100% MIG-welded for durability.
aFe Apollo GT Series 3in 409SS Cat-Back Exhaust w/ Black Tip 2020 GM 2500/3500HD V8 6.6L L8T
