Product updated on 2020-08-17, RK Sport - RKS:35012000, 2011-14 Sierra 2500/3500 ram air hood with heat extractors, 2011 to 2014 Sierra HD Ram Air Hood will allow air to flow directly to your Air intake system. (Will Not Fit 1500, will fit Denali 2500/3500) Must remove factory hood springs before installing., RK Sport Ram Air Hoods are ducted to your factory air cleaner location. Add a cold air intake to make them fully functional. On some models you simply need to install a cold air intake or open up the top of your factory air box. ,
