The facts.
| Brand | Arrow |
|---|---|
| Part Number | 71768MI |
| Material | Titanium |
| Weight | 2.8 kg |
| Outlet Diameter | 60 mm |
| Fitment | BMW S1000RR K67 (2019-2026) |
| Compatible Silencers | Arrow 71506, Arrow 71903, Arrow 71554, OEM silencer |
| Homologation | Race use only — not road legal |
DescriptionThe whole story▼
Precision-crafted from aerospace-grade titanium, the Arrow 71768MI header is purpose-built for the BMW S1000RR K67. Where stock steel headers add unnecessary mass and restrict flow, this Arrow unit delivers a measurable reduction in unsprung weight alongside a 60 mm outlet engineered to optimise throttle response under sustained race conditions.
Key Features
- Full titanium construction — exceptional heat resistance, corrosion immunity and a weight of just 2.8 kg for a genuine reduction in overall system mass
- 60 mm outlet diameter for optimised exhaust flow and sharper throttle response
- Compatible with the OEM slip-on silencer or Arrow Slip-Ons 71506, 71903 and 71554 for a complete Arrow race system
- Developed specifically for the BMW S1000RR K67 chassis — direct bolt-on fitment with no modification required
- Race-use only classification — built to the demands of circuit riding where every gramme and every horsepower counts
Build Quality and Materials
Titanium is the material of choice for elite motorsport exhaust systems, and Arrow's use of it here goes beyond weight saving. The alloy resists the extreme cyclical heat of a high-revving inline-four better than stainless steel, maintaining structural integrity lap after lap without the surface oxidation or fatigue cracking that degrades lesser materials over time. The result is a header that looks as purposeful as it performs — the characteristic titanium heat-blue colouring developing with use as a natural badge of track kilometres.
Arrow's Italian manufacturing heritage means every bend radius, collector geometry and flange tolerance on the 71768MI is held to the same standards that supply factory race teams. The 60 mm outlet is not an arbitrary dimension; it is sized to match the flow requirements of the S1000RR K67's engine map and pairs directly with the Arrow Slip-On range to form a balanced, tuned system.
Performance on Track
Fitting the 71768MI in place of the stock header removes significant mass from a central area of the motorcycle, lowering the centre of gravity and improving agility through direction changes. Paired with any of the compatible Arrow Slip-Ons, the full system unlocks the engine's breathing potential across the rev range. For riders looking to extract maximum performance, an ECU remap is recommended to complement the improved exhaust flow — a worthwhile investment that realises the full benefit of the Arrow system.
Fitment and Compatibility
This header fits the BMW S1000RR K67 for model years 2019 through 2026. It is compatible with the original OEM silencer as a direct header replacement, and pairs with the following Arrow Slip-On silencers to form a complete exhaust system:
- Arrow Slip-On 71506
- Arrow Slip-On 71903
- Arrow Slip-On 71554
Specifications
- Brand: Arrow
- Part number: 71768MI
- Material: Titanium
- Weight: 2.8 kg
- Outlet diameter: 60 mm
- Fitment: BMW S1000RR K67 (2019-2026)
- Homologation: Race use only — not road legal
- Compatible silencers: Arrow 71506, 71903, 71554 or OEM silencer
FitmentWhich bikes this fits▼
- BMW S1000RR K67 (2019–2026)
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