Agency Power does it again with their catback system for the Focus ST. It features full 3" stainless steel, crafted utilizing CNC machined flanges, existing hanger points, TIG welding, slip fits for easy installation. The exhaust system features one large center muffler to keep the tone just right for those cruising the highway but want their ST to sound hard upon go pedal activation! Due to the V band design, you have a plethora of tip options to choose from! 4" straight exit dual setup, 4" split V exit, and even a triple 2.75" tip design to fill out the entire bumper outlet. Stealth black ceramic coating is also offered for those looking for a non flashy exhaust setup. Made in the USA with a one year warranty, make an AP exhaust yours!