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MBRP Chev GMC Duramax 6.6L3 Inch Turbo Down Pipe For 15 16 Silverado Sierra 2500 3500 Duramax GM8428 2017 2023 6.6l l5p duramax The internal floating piston monotube Color:Raw Aluminum The internal floating piston monotube shock design provides superior damping control while maintaining ride quality the Kompact Shortie Dual Port provides better boost response and greater boost handling capability 3 Inch Turbo Down Pipe Replace that restrictive factory downPipe with a MBRP direct replacement downPipe for more flow Will not Affect Emissions (DPF system or the Urea injection system)
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