Down-Pipes - Three-Inch 304 Stainless Steel - GM 6.6L Duramax
Down-Pipes - Three-Inch 304 Stainless Steel - GM 6.6L Duramax
Down-Pipes - Three-Inch 304 Stainless Steel - GM 6.6L Duramax
Down-Pipes - Three-Inch 304 Stainless Steel - GM 6.6L Duramax
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Down-Pipes - Three-Inch 304 Stainless Steel - GM 6.6L Duramax

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Designed for proper routing and consistent clearance, this downpipe replaces the restrictive factory unit with a smoother-flowing 3-inch transition.

Built for platform-correct fitment, this component supports controlled exhaust flow under load while maintaining compatibility with the factory turbocharger location and exhaust routing.