This EGO-X exhaust system for Mini Cooper S/GP3 models with OPF is hand-built using TIG welding and features absorption silencers without chambers. The pipe diameter is 3″ before splitting into a twin system with 2 × 2.5″ pipes.
Technical details:
- Pipe diameter: 3″ to 2 × 2.5″ (twin system)
- Pipe material: stainless steel
- Absorption silencers: hand-built
- From the petrol particulate filter (OPF)
- TIG welded
Scope of delivery:
- Exhaust system from the petrol particulate filter (OPF)
- Wiring for connection to the vehicle electrical system
- Vacuum hose for connecting the Bull-X Tronic control unit to the exhaust valve
- Exhaust tips (available as optional equipment)
- Fitting instructions
- Fitting hardware
- Bull-X Tronic control unit (when selecting the ECE version)
Road use:
ECE approval applies only when selecting “Bull-X Tronic control unit (with ECE approval)”. Road use is intended for the combination of the ECE-approved Bull-X Tronic control unit and an approved EG catalytic converter; other control options and catalytic converters are intended exclusively for racing use.
The Bull-X Tronic control unit automatically closes the valve in all areas required by the ECE approval. In Sport (Dynamic, Race) mode, the valve remains open within the approved ECE range while driving, but stays closed when stationary and at speeds of 20–80 km/h. In Comfort mode, the valve remains closed and opens within the approved ECE range while driving once the throttle is at least 75% open. If the vehicle has selectable driving profiles, the system can be controlled through them; vehicles without this feature use the supplied switch.
Note: Versions without ECE approval are intended exclusively for racing use.
Suitable for: MINI Mini III (F56).
Manufacturer’s vehicle data
- EGO-X Abgasanlage 3″ Mini Cooper S, JCW inkl. GP F56 OPF (mit ECE*)
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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