⟲ 360° — drag meThe facts.
| Part Number | 71863PRI |
|---|---|
| Brand | Arrow |
| Type | Slip-on silencer |
| Material — body | Stainless steel |
| Material — end cap | Stainless steel |
| Material — internals | Stainless steel |
| Weight | 1.32 kg |
| Silencer length | 250 mm |
| Inlet diameter | 45 mm |
| Outlet diameter | 68 mm |
DescriptionThe whole story▼
Riding your Yamaha YZF-R6 day in, day out demands an exhaust that feels at home whether you're threading through traffic or opening up on a favourite B-road. The Arrow Pro-Race slip-on silencer in stainless steel — part number 71863PRI — is road-legal out of the box, sheds meaningful weight over the stock unit at just 1.32 kg, and delivers sharper throttle response every time you crack the grip.
Key Features
- Full stainless steel construction throughout — body, end cap and internals — resists corrosion, handles sustained heat and keeps its finish through year-round use.
- Weighs only 1.32 kg, reducing unsprung and overall mass for noticeably more agile handling on both road and track.
- Type-approved with an E-number, so it fits squarely within road-legal requirements without any additional paperwork or hassle.
- Includes a db-killer insert for compliant noise levels in everyday riding, removable when the situation allows.
- 250 mm canister length with a 45 mm inlet and 68 mm outlet, sized to optimise exhaust flow and mid-range delivery on the RJ27 engine.
- Dedicated Arrow mapping recommended to unlock the full performance benefit and sharpen throttle response to match the freer-flowing exhaust.
Built for the Road, Ready for the Track
Arrow engineered the Pro-Race range to cover both ends of the spectrum — commutable every morning, credible on circuit at the weekend. The all-stainless specification means you won't be nursing corrosion after a wet winter, and the relatively compact 250 mm can sits neatly under the tail without changing the R6's svelte silhouette. The stainless end cap adds a purposeful industrial finish that suits the supersport aesthetic far better than the plastic-heavy OEM unit it replaces.
Throttle response on the YZF-R6 RJ27 is notably crisper once the restrictive stock silencer is removed. The 45 mm inlet flows cleanly into the 68 mm outlet, reducing back-pressure across the rev range and letting the inline-four breathe more freely through the mid and upper registers. Pairing the silencer with the Arrow-recommended ECU mapping brings out the full advantage — improved pick-up from low revs and a more linear power delivery that makes the bike feel more predictable and less fatiguing on long days in the saddle.
Fitment and Compatibility
This slip-on silencer is a direct replacement for the standard exhaust on the following model:
- Yamaha YZF-R6 RJ27 — model years 2017 to 2026
The unit connects to the existing mid-pipe, requiring no modification to the frame or headers. Always verify your specific model year and variant against the part number 71863PRI before ordering.
Specifications
| Specification | Detail |
|---|---|
| Part number | 71863PRI |
| Brand | Arrow |
| Type | Slip-on silencer |
| Material — body | Stainless steel |
| Material — end cap | Stainless steel |
| Material — internals | Stainless steel |
| Weight | 1.32 kg |
| Silencer length | 250 mm |
| Inlet diameter | 45 mm |
| Outlet diameter | 68 mm |
| Road legal | Yes — E-number type approved |
| db-killer included | Yes |
| Fitment | Yamaha YZF-R6 RJ27 (2017–2026) |
FitmentWhich bikes this fits▼
- Yamaha YZF-R6 RJ27 (2017–2026)
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