This EGO-X exhaust system is hand-built using TIG welding and features absorption silencers without chambers. The pipe diameter is 3.5 inches (89 mm).
Technical details:
- Pipe diameter: 3.5″ (89 mm)
- Pipe material: stainless steel
- Absorption silencers: hand-built
- From the catalytic converter
- TIG welded
Scope of delivery:
- Exhaust system from the catalytic converter
- Fitting instructions
- Fitting hardware
- The original valve actuator from the existing exhaust system is reused.
- An exclusive EGO-X T-shirt and sticker pack are also included.
Road use: The exhaust system has ECE approval and is approved for road use without being entered in the vehicle documents, but only when used with a Bull-X Tronic controller.
Suitable for: BMW Z4 III (G29), Toyota Supra V (DB).
Manufacturer’s vehicle data
- EGO-X Abgasanlage 3,5″ Toyota Supra GR / BMW Z4 (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.
Exhaust tips
Exhaust tips are not included in the price. Choose matching Bull-X tips on this page in the “Exhaust tips” section next to the basket button; if unsure which fit, contact us.

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