Arrow 72680AKN Indy Race EVO Dark Aluminum Silencer – KTM 390 Enduro R/SMC-R 2025-2026
€649,00
€765,82
-15%
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Arrow 72680AKN Indy Race EVO Dark Aluminum Silencer – KTM 390 Enduro R/SMC-R 2025-2026
€649,00
€765,82
-15%
Taxes included.
Shipping calculated at checkout.
Code: 72680AKN
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Shipping notice: truck drivers' strike in Italy
Updated 19/10/2026
Since 16 October, truck drivers protesting against high diesel prices have been blocking roads and ports in Southern Italy (Campania, Calabria, Sicily, Puglia, Basilicata), and the protest could spread to the rest of the country. The strike affects all our shipments, in Italy and abroad: Poste Italiane is currently not collecting parcels, while BRT and DHL are collecting as usual but deliveries may be delayed in some areas.
- Italy we ship with BRT and DHL · possible delivery delays
- European Union for now we ship with DHL only · possible delays
- Non-EU countries (customs) shipments temporarily suspended: they will leave as soon as Poste Italiane resumes collections
We apologise for any inconvenience and thank you for your patience.
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The Arrow 72680AKN is the Indy Race EVO "Dark" aluminum slip-on exhaust with carbon end cap for KTM 390 Enduro R and 390 SMC-R 2025-2026 (vehicle type KTM IS ENDSM). It is homologated – the Arrow scheme marks it EURO5+ · EC ECE · CARB – so it remains road legal, and mounts to the original manifold without additional parts. Part number 72680AKN, EAN 8030656109941, weight 2.5 kg, removable db-killer included.
✓ Strengths
- Homologated – on the Arrow diagram it bears the EURO5+, EC ECE and CARB marks: it can be fitted and remains legal for road use.
- Mounts to the original manifold – the Arrow diagram states that all components are interchangeable with the original ones: no need to buy anything else.
- "Dark" aluminum body with carbon end cap – the matte black finish of the Indy Race EVO line, with visible stainless steel link pipe.
- Removable db-killer included – already in the package.
- Welded bracket to the subframe, as on the original system.
- One part number for two motorcycles – 390 Enduro R and 390 SMC-R.
Technical features
| Brand | Arrow Special Parts |
| Part number | 72680AKN |
| Official name | Indy Race EVO "Dark" aluminum slip-on with carbon end cap |
| Homologation | Homologated – EURO5+ · EC ECE · CARB |
| Body material | "Dark" aluminum |
| Rear end cap material | Carbon |
| Silencer inner material | Stainless steel |
| Link pipe material | Stainless steel |
| Frame mounting | Welded bracket |
| db-killer | Yes, removable, included |
| Lambda/CO sensor bung | No / No |
| Weight | 2.5 kg |
| Vehicle type | KTM IS ENDSM |
| EAN code | 8030656109941 |
| Package contents | 1 slip-on with link pipe and db-killer |
Arrow does not publish body length, inlet diameter, or outlet diameter for this part number: the three fields on the official data sheet are zero, so we do not list them.
⚠️ Important notes:
• The KTM 390 Enduro R / SMC-R is a vehicle with a dual lambda sensor: this is stated in the Arrow scheme.
• The Arrow technical note warns that installing the 72209MI/72209PD racing manifold may trigger a "check engine" message, and in that case recommends the Arrow A.R.D. 11001EM device. ⚠️ This does not apply to this slip-on, which is homologated and mounts to the original manifold.
• Installation by qualified personnel is recommended: keep the homologation documentation provided with the product.
• The KTM 390 Enduro R / SMC-R is a vehicle with a dual lambda sensor: this is stated in the Arrow scheme.
• The Arrow technical note warns that installing the 72209MI/72209PD racing manifold may trigger a "check engine" message, and in that case recommends the Arrow A.R.D. 11001EM device. ⚠️ This does not apply to this slip-on, which is homologated and mounts to the original manifold.
• Installation by qualified personnel is recommended: keep the homologation documentation provided with the product.
Vehicle compatibility
| Model | Years | Vehicle type |
|---|---|---|
| KTM 390 Enduro R | 2025-2026 | KTM IS ENDSM |
| KTM 390 SMC-R | 2025-2026 | KTM IS ENDSM |
The list is as declared by Arrow for part number 72680AKN. Always check your motorcycle's model and year before purchasing.
The Arrow system for this motorcycle
| Part | Part number | Homologation |
|---|---|---|
| "Dark" aluminum slip-on – this item | 72680AKN | ✅ ECE |
| Titanium slip-on, same line | 72680PK | ✅ ECE |
| Racing manifold (optional) | 72209PD | ❌ Racing |
| A.R.D. Alert Remover Device | 11001EM | ❌ Racing |
On the Arrow diagram, the manifold is connected to the slip-on by a dashed arrow: it is optional. If fitted, the system becomes racing and is no longer suitable for road use.
Who is it perfect for?
This is the slip-on for anyone who has just bought a 390 Enduro R or SMC-R and wants to change the sound, look, and weight without breaking the law: it mounts to the stock manifold, the db-killer remains installed, and the bike remains homologated. The "Dark" finish is the choice for those who prefer matte black over the titanium of the 72680PK version, which costs more and is 300 grams lighter.
🛡️ Warranty and quality – Moon Bike S.r.l.
Original Arrow Special Parts product. Moon Bike S.r.l. is based in Cercola (NA), ships from Italy with invoice, manufacturer's warranty, and dedicated packaging.
Original Arrow Special Parts product. Moon Bike S.r.l. is based in Cercola (NA), ships from Italy with invoice, manufacturer's warranty, and dedicated packaging.
Frequently Asked Questions
Is the 72680AKN slip-on homologated?
Yes. On the Arrow mounting diagram, it is marked ECE HOMOL., with EURO5+, EC ECE, and CARB marks at the top: by installing it, the bike remains road legal. Keep the documentation found in the package.
Which KTMs does it fit?
On the KTM 390 Enduro R and KTM 390 SMC-R from 2025 and 2026, vehicle type KTM IS ENDSM. It is a single part number for both bikes.
Do I also need to buy the manifold?
No. The Arrow diagram states that all components are interchangeable with the original ones: the 72680AKN mounts to the stock manifold. The 72209PD racing manifold is optional, but it is not homologated and makes the system suitable only for closed circuit use.
Is the db-killer included?
Yes, the removable db-killer is included in the package. It must be kept installed for road use.
What is the difference with the 72680PK titanium?
Same line, same homologation, and same carbon end cap: the body material and weight differ. The 72680AKN has a "Dark" aluminum body and weighs 2.5 kg; the 72680PK has a titanium body and weighs 2.2 kg. On both, the silencer interior and link pipe are made of stainless steel.
Can the check engine light come on?
The Arrow technical note for this motorcycle warns of the risk of a "check engine" message when referring to the installation of the racing manifold, and in that case recommends the A.R.D. 11001EM device. This warning does not apply to the homologated slip-on alone.
Frequently asked questions
Shipping times +
Shipping within 24-48 working hours in Italy. Tracking via SMS/email. Free pickup at our store in Cercola (NA), ready within 1 hour.
Returns and refunds +
You have 14 days from delivery to return the item without giving a reason. Free returns for faulty items. Full details
Payment methods +
Credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, Google Pay, Shop Pay, Klarna (pay in 3) and cash on delivery.
Warranty and authenticity +
All products come with a 24-month legal warranty. We are an Official Piaggio Group Dealer: original spare parts are certified with a verifiable OEM code.
Technical support +
Our technical team is available on WhatsApp +39 392 456 1248 Mon-Fri 9:00–13:30 / 14:30–18:00 (Italian time), or by email.