Borla exhaust systems for the Focus ST feature patented straight-through and multi-core technology to unleash horsepower stifled by the stock exhaust design. Each Borla exhaust is built from light weight premium aircraft quality T-304 stainless steel to give you the absolute best in performance and durability. Ultra-smooth mandrel bends and 2.55" piping ensures maximum flow and power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Borla also backs all of their Ford Focus ST exhaust systems with their exclusive Million-Mile Warranty, so you can relax with the knowing that your exhaust will last for the life of your car and longer!
Piping Diameter: 2.5"
Tip Diameter: 4.5"
Tip Type: Dual Round Rolled Angle-Cut