OPF dummy for all Bull-X AWD OPF downpipe systems. It looks similar to a petrol particulate filter, but the inside is completely through-flow. The housing is not filled, while still being manufactured from high-quality materials.
The increase in sound is substantial: the through-flow design makes the exhaust note considerably more audible and louder both inside and outside the vehicle. No numbers or type designation are fitted to the part, and the OPF dummy is supplied with an »Export/Racing Use Only« marking.
Note: Suitable only for an existing HGDPBX004EGO-AWD or HGDPBX003EGO-AWD system. The dummy is fitted in place of the original OPFs using the existing V-band clamps.
Road use: This OPF dummy is intended exclusively for racing use and is not approved for use on public roads. Legal road use requires an ECE-approved exhaust system together with an EG-approved catalytic converter.
Suitable for: Audi A3 III (8V) / IV (GY), Audi Q2 I (GA), Audi Q3 II (F3), Audi S3 III (8V) / IV (8Y), Audi SQ2 I (GA), Audi TT III (FV), Audi Tts II (8S), Cupra Ateca I (KH7), Cupra Formentor I (KM7), Cupra Leon IV (KL1), SEAT Ateca I (KH7), SEAT Leon III (5F) / III (5F1) / IV (KL1), Škoda Kodiaq I (NS6) / I (NS7), Škoda Superb III (3V3) / III (3V5) and 5 more.
Manufacturer’s vehicle data
- Bull-X 2.0 TSI E6 OPF AWD EGO OPF Attrappen Downpipe Unterteil
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
This part has no ECE, ABE or Teilegutachten approval — it is intended for track / off-road use.
Compatibility: the manufacturer specifies the platform and engine, not individual models. The »Suitable for« list is based on platform and engine — please check your vehicle’s engine and version before ordering, or contact us and we will check for you.

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