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Two Brothers Racing

S1R Series Full Exhaust System

$747.98

SKU: 005-4160106-S1B

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Two Brothers Racing S1R Series Full Exhaust System is designed for the Yamaha R25 and R3 models. This lightweight system features an aluminum canister with a deep, aggressive tone and premium race construction. It includes an oval canister sleeve, a black Teflon-coated end-cap, and a rubber-insulated canister clamp.
Show original supplier description
The Two Brothers Racing S1R Series Full Exhaust System is engineered to deliver a deep, aggressive tone and premium race construction for your Yamaha R25 or R3. The S1R Series is known for its oval canister sleeve and stamped, spring-fit inlet, ensuring a secure and high-performance connection. Installation is made straightforward with all necessary hardware included, such as the S1R Canister, stainless steel S-bend, muffler clamp, and detailed installation instructions. This full system is compatible with various sound reduction inserts, including the Power Tip, P1, or P1x, allowing for further customization of your exhaust note. The system is designed for the Yamaha R25 and R3 models, specifically covering the 2015 through 2026 model years, with a focus on delivering performance gains and an aggressive aesthetic. Features include: - Oval Canister Sleeve - Black Teflon Coated End-Cap - Rubber Insulated Canister Clamp - Stamped Spring-Fit Inlet - Two Brothers Metal Canister Badge - Accepts Sound Reduction Insert (Power Tip, P1 or P1x) This system is designed for the 2015-2026 Yamaha R25 / R3.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandTwo Brothers Racing
Part Number005-4160106-S1B
CategoryExhaust
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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