COBB Ford Front Mount Intercooler Silver Focus RS MK3 2016-2018The COBB Front Mount Intercooler (FMIC) for your Focus RS is the easiest way to drastically improve power when coupled with tuning from the V3 Accessport. The much larger 26" x 8. 6" x 5" core produces a signifcant volume inscrease compared to stock, resulting in up to 25% improved efficiency with only about a . 3 . 5 psi pressure drop despite the significant increase in size. A unique feature is the custom designed fin within the "hot side" endtank