aFe 46-21061 BladeRunner Street Series Cast IntercooleraFe 46 21061 BladeRunner Street Series Cast Intercooler This BladeRunner intercooler features a 2. 5" bar and plate core design that is 25% larger, outflowing stock intercoolers by 10% and increasing heat dissipation over the much smaller tube and fin design used by the OEM. The unique BladeRunner end tanks are constructed out of cast 356 T6 aluminum that incorporate Multi Directional Vane (MDV) technology. This technology is used to direct hot air