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The aFe Gemini XV 3" 304 stainless steel cat-back exhaust for 2009–2018 GM trucks (4.3L/4.8L/5.3L) is a direct bolt-on system that uses mandrel-bent 3" tubing and a high-flow muffler. It includes dual 4-1/2" black 304 stainless tips and an electronically controlled cutout with remotes, module, and wiring to switch notes. Dyno-tested gains were up to +14 HP and +17 lb-ft, with factory-style hangers and 100% MIG welds.
aFe Gemini XV 3in 304 SS Cat-Back Exhaust w/ Cutout 09-18 GM Trucks 4.3L/4.8L/5.3L w/ Black Tips
