Arrow Thunder Aluminium Dark 52510AON – Aprilia RX/SX 125 (2021-2024) Homologated
€315,90
€408,28
-22%
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Arrow Thunder Aluminium Dark 52510AON – Aprilia RX/SX 125 (2021-2024) Homologated
€315,90
€408,28
-22%
Taxes included.
Shipping calculated at checkout.
Code: 52510AON
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The Arrow Thunder Dark Aluminium silencer (code 52510AON) is a slip-on exhaust from Arrow's Off-Road Thunder line, specifically designed for Aprilia RX 125 and SX 125 models from 2021 to 2024. It features an aluminium body with a Dark finish (black anodised), a stainless steel end cap, a removable db-killer, and ECE Euro 5 homologation for road use. Weighing only 2.43 kg, it comes complete with a link pipe, bolts, and all necessary mounting hardware.
✓ Key Features
- ECE Euro 5 Homologated – legal for road use with db-killer inserted
- Dark Aluminium body – black anodised finish, durable and aggressive
- Stainless steel end cap – durability and corrosion resistance
- Weight 2.43 kg – significant weight saving compared to the original exhaust
- Removable db-killer – allows for a freer sound (track use only)
- Rhomboid section – characteristic Arrow design, compact and aerodynamic
- Complete mounting kit – link pipe, bolts, and hardware included
- Made in Italy – produced by Arrow Special Parts S.p.A., San Giustino (PG)
Technical Specifications
| Brand | Arrow Special Parts |
| Code | 52510AON |
| Line | Thunder Off-Road |
| Type | Single slip-on silencer |
| Body material | Dark Aluminium (black anodised) |
| End cap material | Stainless steel |
| Internal material | Stainless steel |
| Link pipe material | Stainless steel |
| Frame mounting | Welded bracket |
| Body length | 350 mm |
| Inlet diameter | 41 mm |
| Outlet diameter | 40 mm |
| CO sensor plug | No |
| Lambda sensor plug | No |
| Db-Killer | Yes, removable |
| Weight | 2.43 kg |
| Homologation | ECE Euro 5 (with db-killer inserted) |
| EAN | 8019799119604 |
⚠️ Important notes:
• ECE Euro 5 homologation is valid only with the db-killer inserted. Removing the db-killer renders the exhaust non-homologated for public road use (track/private areas only).
• The silencer is supplied complete with a link pipe, bolts, and mounting hardware. No additional connectors are required for basic installation.
• Installation difficulty: intermediate. Installation by a specialized workshop is recommended for correct tightening and checking of gas seals.
• ECE Euro 5 homologation is valid only with the db-killer inserted. Removing the db-killer renders the exhaust non-homologated for public road use (track/private areas only).
• The silencer is supplied complete with a link pipe, bolts, and mounting hardware. No additional connectors are required for basic installation.
• Installation difficulty: intermediate. Installation by a specialized workshop is recommended for correct tightening and checking of gas seals.
Vehicle Compatibility
| Brand | Model | Years |
|---|---|---|
| Aprilia | RX 125 | 2021 – 2024 |
| Aprilia | SX 125 | 2021 – 2024 |
Recommended Accessories
- Arrow racing header pipe (if available for RX/SX 125) – for maximum track performance, not road legal.
Who is it perfect for?
The Thunder Dark Aluminium is perfect for Aprilia RX or SX 125 owners who want to improve aesthetics and sound while maintaining road legality. It's ideal for both enduro riders looking to lighten their bike with an aggressive look and those who use the SX 125 in urban settings and wish to stand out with an unmistakable rhomboid-designed Arrow silencer. Excellent balance of performance, weight, and price.
🛡️ Warranty and Quality
Original Arrow Special Parts S.p.A. product, 100% Made in Italy. Moon Bike S.r.l. is an authorized Arrow dealer based in Cercola (NA). All exhausts are covered by the manufacturer's warranty and comply with current European regulations.
Original Arrow Special Parts S.p.A. product, 100% Made in Italy. Moon Bike S.r.l. is an authorized Arrow dealer based in Cercola (NA). All exhausts are covered by the manufacturer's warranty and comply with current European regulations.
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.