Bull-X downpipe for VAG 2.0 TSI EA888 Gen.3 OPF FWD/AWD (Golf 7 TCR, R)

BULL-X Exhausts produces downpipes to the highest standard. This downpipe for the VW Golf 7 GTI Performance and TCR with OPF, manufactured by HG Motorsport, is a complete replacement for the original part. Precise fitment and high-quality materials make this a high-quality upgrade. Optimising the diameter, pipe routing and catalytic converter significantly reduces the load on the turbocharger. Lower back pressure and reduced thermal load provide increased torque and power, quicker response and improved durability.

Technical details – OPF version

• Fully TIG (WIG) welded
• ECE R103 tested, no individual registration required
• Ø 76 mm front pipe + OPF
• 200 cpsi HJS tuning sports catalytic converter
• 200 cpsi ceramic tuning OPF
• Plug&Play
• Performance optimisation
• Reduced thermal load on the turbocharger
• Sporty sound

Technical details – race version

• Fully TIG (WIG) welded
• Without approval, for motorsport use only
• Ø 76 mm front pipe
• Choice of no catalytic converter, or a 100-cell or 200-cell tuning sports catalytic converter
• Without OPF
• Plug&Play
• Performance optimisation
• Reduced thermal load on the turbocharger
• Sporty sound

Benefits at a glance

• Plug&Play solution
• Precise fitment; simple replacement of the original component
• High-quality materials
• Made in Germany
• Genuine quality from in-house production
• Flow-optimised and performance-enhancing
• Improved durability and response
• Efficient removal of exhaust gases
• No disruptive edges at the transitions
• Designed and tested using computer modelling and a rolling-road dyno
• Less heat build-up at the turbocharger and therefore lower thermal stress
• Improved response and a measurable, slight increase in power

Note: On approximately 2 out of 10 vehicles, a fault caused by the differential pressure sensors may occur even with the ECE version. Selecting a catalytic converter without ECE approval may also trigger a downstream lambda sensor fault; this sensor monitors catalytic converter efficiency and does not restrict engine operation. The fault can be removed by adapting the software. Most vehicles up to Euro 3 emissions standard do not have a downstream lambda sensor. HJS ECE and EOBD catalytic converters contain a higher washcoat content and offer very high oxygen-storage capacity, which can help prevent fault messages. The EOBD catalytic converters have been tested for this issue up to Euro 4, while durability and use are assured up to Euro 6 emissions standard.

Road use: Only the version with the 200-cell HJS catalytic converter with ECE approval, used together with the OPF, is suitable for public-road use. All other catalytic-converter versions, including the decat version, are intended for track use only.

Suitable for: VW Golf VII (5G1).

Manufacturer’s vehicle data

• Bull-X Downpipe VAG 2.0 TSI EA888 Gen.3 OPF FWD/AWD (z.B.Golf 7 TCR & R)

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.