Arrow 71929MK Indy Race Homologated Carbon Silencer – Aprilia RS 660 (2020-2024) and Tuono 660 (2021-2024)
€520,90
€647,82
-19%
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Arrow 71929MK Indy Race Homologated Carbon Silencer – Aprilia RS 660 (2020-2024) and Tuono 660 (2021-2024)
€520,90
€647,82
-19%
Taxes included.
Shipping calculated at checkout.
Codice: 71929MK
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Pickup available at Moon Bike S.r.l.
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The Arrow 71929MK exhaust is the all-carbon fiber version of the homologated Indy Race slip-on that Arrow's catalog dedicates to the Aprilia RS 660 (2020-2024) and Tuono 660 (2021-2024): carbon body, carbon end cap, carbon mounting strap, and included db-killer.
Must be mounted with Arrow collectors. On the RS 660 and Tuono 660, the 71929MK does not work with the original motorcycle collectors: the Arrow catalog links it obligatorily to the homologated catalytic collector kit 71755KZ or the racing kit 71755MI. This is the first thing to check before ordering.
Strengths
- Visible carbon fiber body — not a carbon end cap on a metal body: here the entire silencer body is carbon, including the weave.
- ECE homologated for road use — combined with the 71755KZ catalytic collectors, it remains street legal, with the db-killer already supplied.
- Stainless steel interior — the part that works in contact with hot gases remains metallic, the carbon is the external structure.
- Does not affect electronics — no additional lambda or CO sensor required.
Technical features
| Part number (MPN) | 71929MK |
| Catalog designation | Indy-Race carbon exhaust with carbon end cap |
| Spare part type | Slip-on exhaust (silencer) |
| Body material | Carbon fiber |
| Rear end cap material | Carbon fiber |
| Silencer interior | Stainless steel |
| Frame mounting | Carbon strap |
| Body length | 270 mm |
| Inlet diameter | ø 54 mm |
| Outlet diameter | ø 58 mm |
| Weight | 1.93 kg |
| Db-killer | Included |
| Lambda sensor / CO sensor | Not required |
| Homologation | ECE homologated for road use |
| Required collectors | Arrow 71755KZ (homologated catalytic) or 71755MI (racing) |
| Quantity per vehicle | 1 |
| Package contents | 1 exhaust silencer with db-killer |
| Manufacturer | Arrow Special Parts — Italy |
| Condition | New |
⚠️ Important notes
The silencer alone is not enough: one of the two Arrow collector kits is also needed. With the 71755KZ homologated catalytic collectors, the system remains street legal; with the 71755MI racing collectors, it becomes a track configuration.
The Arrow catalog warns that when installing the racing collector kit, it is necessary to upload the racing map by contacting an Aprilia dealer. Installation is recommended for qualified personnel.
Carbon should be chosen for aesthetics, not weight: as shown in the table below, this version weighs 100 grams more than the titanium one.
Compatibility
| Brand | Model | Years | Vehicle type Arrow |
|---|---|---|---|
| Aprilia | RS 660 — Euro 5 | 2020-2024 | KS |
| Aprilia | Tuono 660 — Euro 5 | 2021-2024 | KS |
List taken from the official Arrow spare parts catalog. Both motorcycles share the same KS vehicle type and the same system: the code is unique for both. RS 660 and Tuono 660 from 2025 are Euro 5+ and have a different system.
The three finishes compared
Same Indy Race line, same homologation, same inlet and outlet diameters. But they are not the same silencer with three different finishes: the "Dark" aluminum body is ten centimeters longer and has a different mounting strap. All data is as declared by Arrow.
| Code | Body | Length | Mounting | Weight |
|---|---|---|---|---|
| 71929MK | Carbon fiber | 270 mm | Carbon strap | 1.93 kg |
| 71929PK | Titanium | 270 mm | Carbon strap | 1.83 kg |
| 71929AKN | "Dark" aluminum | 370 mm | Steel strap | 2.23 kg |
Related products
- 71755KZ — homologated catalytic collector kit, the choice for street use
- 71755MI — racing collector kit, for track use (requires racing mapping)
Who it's perfect for
For those who own a first-generation RS 660 or Tuono 660 and want the visible silencer: the exposed carbon weave on the side of the bike, with intact street homologation. It's an aesthetic choice, and should be made knowing that titanium costs less and weighs slightly less.
✅ Warranty and quality — Moon Bike S.r.l.
Original Arrow Special Parts product, new and packaged. Moon Bike S.r.l. is based in Cercola (NA): official 2-year manufacturer's warranty, direct Italian assistance, invoice and shipping throughout Italy with professional packaging.
Frequently Asked Questions
Can I mount the 71929MK on the original collectors of my RS 660?
No. On the RS 660 and Tuono 660, the Arrow catalog links the silencer to the collectors with a mandatory connection: you need either the 71755KZ kit (homologated catalytic) or the 71755MI kit (racing). On other motorcycles, Arrow offers silencers for original collectors, but this is not the case for this code.
Is carbon lighter than titanium?
Not on this silencer. Arrow declares 1.93 kg for the 71929MK in carbon and 1.83 kg for the 71929PK in titanium: the carbon weighs one hundred grams more. The reason is that the interior remains stainless steel in both, and only the casing changes. Carbon is chosen for its appearance, not its weight.
Does it remain road legal?
Yes, the 71929MK has ECE homologation and comes with a db-killer. For a complete street legal system, it must be combined with the 71755KZ homologated catalytic collectors: these are the ones that retain the catalytic converter. With the 71755MI racing collectors, the configuration becomes track-oriented.
Does the ECU need to be remapped?
Not with the 71755KZ homologated catalytic collectors. However, the Arrow catalog warns that, when installing the 71755MI racing collector kit, it is necessary to upload the racing map by contacting an Aprilia dealer. The silencer itself does not require additional lambda or CO sensors.
Is it suitable for both the RS 660 and the Tuono 660?
Yes. The two motorcycles share the same Arrow vehicle type, KS, and the same system: the code is unique. It applies to the RS 660 from 2020 to 2024 and the Tuono 660 from 2021 to 2024, both Euro 5. From 2025, the two motorcycles have switched to Euro 5+ and use different codes.
Is it an original Arrow product?
Yes: it is a new silencer produced by Arrow Special Parts in San Giustino, Italy, and it is the code provided in the official Arrow catalog for the RS 660 and Tuono 660. It is shipped from Italy with an invoice and manufacturer's warranty; it is not a copy or a universal adaptation.
Veicoli compatibili
- Aprilia RS 660 (2020-2025)
- Aprilia Tuono 660 (2021-2025)
Non sicuro della compatibilità? Contattaci
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