⟲ 360° — drag meThe facts.
| Brand | Arrow |
|---|---|
| Part number | 71229PTZ |
| Fitment | KTM RC 390 (2022–2025) |
| System type | Full exhaust system |
| Application | Race use only |
| Header material | Stainless steel |
| Silencer material | Titanium |
| End-cap material | Carbon fibre |
| Silencer internals | Stainless steel |
| System weight | 6.5 kg |
DescriptionThe whole story▼
The Arrow Competition full exhaust system 71229PTZ is a purpose-built race exhaust engineered exclusively for the KTM RC 390 (2022–2025). Drawing on Arrow's decades of grand prix and Superbike heritage, this system pairs a stainless steel header with a titanium silencer and carbon end-cap — a combination that defines the Competition range's signature look and uncompromising track focus. The result is a complete exhaust that reduces mass, sharpens power delivery and carries the unmistakable aesthetic of Italian race craft.
Key Features
- Full system design — header and silencer developed together for optimised flow and power gains across the rev range
- Stainless steel header construction for lasting corrosion resistance and structural integrity under sustained race use
- Titanium silencer body delivers meaningful weight savings while projecting the Competition range's distinctive raw finish
- Carbon fibre end-cap — heat-resistant, lightweight and a defining visual detail that sets this system apart
- Stainless steel silencer internals for durability and consistent acoustic performance over time
- Removable dB-killer included, allowing the system to run open on track or compliant for paddock noise limits
- A dedicated ECU mapping remap is recommended to realise the full performance benefit
Design, Finish and Heritage
Arrow has supplied exhaust systems to factory race teams and championship-winning riders for over forty years. The Competition series inherits that DNA directly: every joint, cone and collector is designed in-house and manufactured in Italy to the same tolerances Arrow applies to their OEM motorsport contracts. The three-material construction — stainless, titanium, carbon — is not a styling exercise. Each material is selected for the specific thermal and structural demands of its position in the system, and together they give the RC 390 a visual signature that is immediately recognisable in the paddock.
The stainless steel header resists the extreme heat cycles produced by the RC 390's high-revving single-cylinder engine, while the titanium silencer absorbs and dissipates that heat further downstream without the weight penalty of steel. The carbon end-cap caps the system cleanly, providing a heat shield and a premium finish in one piece.
Performance and Track Use
This system is rated for race use only and is not road-legal. With a total system weight of 6.5 kg and carefully matched inlet and outlet diameters, it is designed to reduce back-pressure and improve scavenging on the RC 390's single-cylinder engine. Arrow recommends a dedicated ECU remap to take full advantage of the revised exhaust flow — without remapping, some of the potential power and torque gains will remain unrealised. The removable dB-killer gives riders the flexibility to meet circuit noise limits without compromising the open-system character when regulations allow.
Fitment and Compatibility
This complete exhaust system is designed and tested specifically for the following motorcycle:
- KTM RC 390 — model years 2022, 2023, 2024 and 2025
Part number: 71229PTZ. Always verify fitment against your specific model year before ordering.
Specifications
| Specification | Detail |
|---|---|
| Part number | 71229PTZ |
| Application | Race use only |
| Header material | Stainless steel |
| Silencer material | Titanium |
| End-cap material | Carbon fibre |
| Silencer internals | Stainless steel |
| System weight | 6.5 kg |
| Inlet diameter | 50 mm |
| Outlet diameter | 43 mm |
| Silencer length | 220 mm |
| dB-killer | Removable, included |
FitmentWhich bikes this fits▼
- KTM RC 390 (2022–2025)
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