MagnaFlow Sys C/B 03 GM 1500 Silverado 5.3L V

Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow MF Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for the ultimate in unrestricted horsepower and torque for big power while maintaining exhaust efficiency. These systems are an engineered balance of interior and exterior noise levels and are tested against SAE j1169 standards.This Part Fits: Year Make Model Submodel 2003-2005 Chevrolet Silverado 1500 Base 2004-2006 Chevrolet Silverado 1500 Hybrid 2003-2006 Chevrolet Silverado 1500 LS 2003-2006 Chevrolet Silverado 1500 LT 2003-2006 Chevrolet Silverado 1500 WT 2004 Chevrolet Silverado 1500 Z71 2007 Chevrolet Silverado 1500 Classic Hybrid 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 Chevrolet Silverado 1500 Classic WT 2003-2005 GMC Sierra 1500 Base 2003,2006 GMC Sierra 1500 SL 2003-2006 GMC Sierra 1500 SLE 2003-2006 GMC Sierra 1500 SLT 2003-2006 GMC Sierra 1500 WT 2007 GMC Sierra 1500 Classic Hybrid 2007 GMC Sierra 1500 Classic SL 2007 GMC Sierra 1500 Classic SLE 2007 GMC Sierra 1500 Classic SLT 2007 GMC Sierra 1500 Classic WT