Matching the stock turbo, our Focus ST Catted Downpipe includes a laser cut turbo flange. This design fits flawlessly with stock Focus turbo flange. Premium American made “bright annealed” 304 stainless steel is mandrel bent throughout for less turbulent exhaust flow. We include three O2 bungs to accommodate the two stock O2 sensors. Additionally, we give the ability to easily add a wideband sensor. The cat features a metallic monolithic honeycomb catalyst designed for maximum flow.
Includes high flow ECOf™ by GESI® catalytic converters
Our ECOf™ catalytic converters are EPA compliant and the highest yielding washout available in today’s market. No tuning required.