This EGO-X exhaust system for the Ford Focus Mk.4 ST is hand-built using TIG welding and features absorption silencers without chambers. The pipe diameter is 3″ (76 mm).
Technical details:
- Pipe diameter: 3″ (76 mm)
- Pipe material: stainless steel
- Absorption silencers: hand-built
- Cat-back system
- TIG welded
Contents:
- Exhaust system from the catalytic converter
- Wiring for connection to the vehicle’s electrical system
- Vacuum hose for connecting the Bull-X Tronic controller to the exhaust valve
- Exhaust tips (available as optional equipment)
- Fitting instructions
- Fitting hardware
- Bull-X Tronic control unit (when selecting the ECE version)
ECE-approved version: ECE approval applies only when selecting the option »Bull-X Tronic control unit (with ECE approval)«. If the vehicle has drive profile selection, the valve can be controlled through the Comfort and Sport modes. For vehicles without drive profile selection, a supplied button is provided. Its LED indicates the valve status: the light is off when the valve is open and on when it is closed.
In Sport mode (Dynamic, Race), the valve remains open while driving within the limits of the ECE approval, but is always closed when stationary and at speeds between 20–80 km/h. In Comfort mode, the valve remains closed and opens during driving, within the approved operating range, when the throttle is opened by 75% or more.
Version without ECE approval: With control via a switch, remote control or the Bull-X Tronic »Race« Can-Bus control unit, the valve can be operated through the drive profile selection or the supplied button. This version is intended exclusively for use on the race track.
Road use: Legal use on public roads requires the Bull-X Tronic control unit with ECE approval together with an EG-approved catalytic converter. Other control options and catalytic converters are intended for race-track use only.
Suitable for: Ford Focus IV (DEH).
Manufacturer’s vehicle data
- EGO-X Abgasanlage 3″ Ford Focus Mk.4 ST 280PS
Original product name by HG Motorsport (»z.B.« = e.g.). Please check model, year and engine of your vehicle before ordering; if in doubt, contact us and we will check for you.
Approval
Only the version marked “road legal” has a European ECE / EC approval (Bull-X Tronic controller with ECE or the HJS EC catalytic converter). Versions marked “no ECE, track use only” have no approval and are not permitted for road use. If in doubt about the version, contact us and we will check for you.

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