3 Inch Turbo Downpipe&Passenger Side Up-Pipe for LLY LBZ LMM LML 6.6L Duramax 2001-2016 GMC Sierra Silverado 2500 3500 HD 6.6L V8 Diesel

Description:100% Brand New Items, Never Used Or InstalledProfessional Installation is Highly RecommendedNo Instruction Included3" Turbo DownpipeGreater Heat Retention20% Greater Flow Over StockRicher Diesel SoundWill Not Affect DPF or Urea SystemGains of +21HP & +24 Ft-lbs.Lb7 Style UppipeIncreased Turbo Response With Lower EGT'sSmooth Mandrel Bends Improves Exhaust Gas Flow