Arrow Pro-Race Full Exhaust System in Stainless Steel & Titanium – BMW M1000RR K66 (2021-2026) 71206CP
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Built without compromise for circuit use, the Arrow Pro-Race full exhaust system 71206CP transforms the BMW M1000RR K66 into a sharper, lighter, and louder racing weapon. Stainless steel headers feed a titanium silencer to deliver a system that weighs just 3.60 kg in total — freeing mass exactly where it counts on the track while unlocking the inline-four's full breathing potential.
Key Features
- Race-tuned full system — headers and silencer engineered specifically for the BMW M1000RR K66 (2021-2026) for maximum power and throttle response at race pace.
- Stainless steel header construction — exceptional heat resistance and durability under sustained high-rpm running.
- Titanium silencer, end caps and internals — outstanding heat dissipation with a minimal weight penalty, total system weight 3.60 kg.
- Removable dB killer — dial in the noise level to meet circuit regulations or remove it entirely for unrestricted performance.
- Precision fitment — 68 mm outlet diameter and 250 mm silencer length designed as a direct, clean installation on the K66 chassis.
- A dedicated ECU remap is strongly recommended to realise the full performance gain from this open system.
Performance on Track
Arrow designed the Pro-Race system around one environment: the racetrack. The stainless steel headers are shaped to maximise scavenging and exhaust flow velocity across the M1000RR's rev range, while the titanium can keeps overall mass as low as possible to benefit both handling and power-to-weight ratio. The result is sharper throttle pickup, improved top-end power, and a race-grade exhaust note that reflects the intent of the machine beneath it. The removable dB killer means the system can be configured to comply with noise limits at noise-sensitive circuits without requiring any permanent modification.
Materials & Construction
The header section is fabricated from high-grade stainless steel — chosen for its thermal stability, resistance to corrosion, and the structural integrity demanded by continuous track sessions. The silencer body, end caps, and internal components are all titanium, a material that combines outstanding strength-to-weight characteristics with excellent heat management. The combination of the two metals is deliberate: stainless steel where rigidity under heat matters most, titanium where every saved gram improves the motorcycle's dynamic behaviour.
Fitment & Compatibility
This system is designed exclusively for the following model:
- BMW M1000RR — chassis code K66, model years 2021, 2022, 2023, 2024, 2025, and 2026.
Important notice: the Arrow Pro-Race 71206CP is approved for race use only. It carries no road homologation and must not be used on public roads. Always verify compliance with the regulations of your specific race series or circuit before fitting.
Specifications
| Brand | Arrow |
|---|---|
| Part Number | 71206CP |
| System Type | Full exhaust system (headers + silencer) |
| Fitment | BMW M1000RR K66 (2021-2026) |
| Header Material | Stainless steel |
| Silencer Material | Titanium |
| End Caps & Internals | Titanium |
| Total System Weight | 3.60 kg |
| Silencer Length | 250 mm |
| Outlet Diameter | 68 mm |
| dB Killer | Included, removable |
| Homologation | Race use only — no road approval |
| Brand | Arrow |
|---|---|
| Part Number | 71206CP |
| System Type | Full exhaust system (headers + silencer) |
| Fitment | BMW M1000RR K66 (2021-2026) |
| Header Material | Stainless steel |
| Silencer Material | Titanium |
| End Caps & Internals | Titanium |
| Total System Weight | 3.60 kg |
| Silencer Length | 250 mm |
| Outlet Diameter | 68 mm |
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Arrow Pro-Race Full Exhaust System in Stainless Steel & Titanium – BMW M1000RR K66 (2021-2026) 71206CP

Tech specs
- Brand
- Arrow
- Part Number
- 71206CP
- System Type
- Full exhaust system (headers + silencer)
- Fitment
- BMW M1000RR K66 (2021-2026)
- Header Material
- Stainless steel
- Silencer Material
- Titanium
- End Caps & Internals
- Titanium
- Total System Weight
- 3.60 kg
- Silencer Length
- 250 mm
- Outlet Diameter
- 68 mm
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
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