About HDH Concepts
HDH-Concepts builds custom exhaust systems, including flap systems, in M?lheim an der Ruhr. The workshop also offers chiptuning and individual mapping for road and track use, plus intake work and compressor or turbo conversions. Complete handmade exhaust conversions are a core service.
Services and facilities
Specialist engineering
- Exhaust specialist
Vehicle modification and tuning
- ECU remapping
Motorsport
- Track and race preparation
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