
S&S CYCLE 2-into-1 Diamondback Exhaust System — 10 cm (4")
In stock items will be shipped within 1-3 days.
You can return the products within 14 days for a full refund, check our returns policy.
We accept many payment methods

In stock items will be shipped within 1-3 days.
You can return the products within 14 days for a full refund, check our returns policy.
Oversized stepped header primary tubes and precision bends optimize exhaust flow for stronger midrange power in M-Eight motors. 🔧
Header length and tuned primaries help the engine make excellent power across the rev range. ⚙️
Large-diameter muffler outlets are positioned before the rear axle to preserve ground clearance and packaging.
Four exhaust bungs allow easy oxygen sensor installation and real-time air/fuel monitoring.
Computer-aided design and precision bending improve handling and reduce scrape risk on tight lines.
Built for durability and finished with protective heat shields; made in the U.S.A. 🇺🇸
We ship to:
We do not ship to the Canary Islands, Ceuta, or Melilla.
Shipping costs are calculated automatically at checkout based on destination and weight.
Free shipping may be offered for qualifying orders, as specified on our website.
Orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays are processed the next business day.
If your order is delayed or arrives damaged, you must notify us within 14 calendar days. We will investigate the issue and offer a resolution in accordance with applicable consumer protection laws.
In accordance with Royal Legislative Decree 1/2007 (Ley de Defensa de los Consumidores y Usuarios), you have the right to withdraw from your purchase within 14 calendar days from the date of receipt, without giving any reason.
To exercise this right, contact us via email or through our website, providing your order number and contact details.
If you want to return an item, please contact us first to give you detailed instructions.