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The aFe Twisted 1-3/4" 304 stainless shorty headers are made for 2020–2023 GM 2500/3500HD trucks with the 6.6L V8. Constructed from mandrel-bent 304 stainless tubing with laser-cut flanges and MIG welding, they offer a direct bolt-on replacement using factory-style flanges and retain factory sensors. Optimized tube lengths aim to improve exhaust flow and produce a more aggressive engine note without requiring modifications.
aFe Twisted 1-3/4in 304SS Shorty Header 20-23 GM 2500/3500HD 6.6L V8
