---
product_id: 100425117
title: "Yoshimura RS-4 Comp Slip-On Exhaust-Yamaha-YZ 450F-18-20"
brand: "yoshimura"
price: "4751 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/100425117-yoshimura-rs-4-comp-slip-on-exhaust-yamaha-yz-450f
store_origin: RO
region: Romania
---

# Yoshimura RS-4 Comp Slip-On Exhaust-Yamaha-YZ 450F-18-20

**Brand:** yoshimura
**Price:** 4751 Lei
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Yoshimura RS-4 Comp Slip-On Exhaust-Yamaha-YZ 450F-18-20 by yoshimura
- **How much does it cost?** 4751 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/100425117-yoshimura-rs-4-comp-slip-on-exhaust-yamaha-yz-450f)

## Best For

- yoshimura enthusiasts

## Why This Product

- Trusted yoshimura brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Includes: RS-4 Aluminum muffler, stainless steel tail-pipe, installation hardware, & detailed step-by-step instructions. Features:  Polyresonant Duplex Chamber Two-Staged Stepped Baffle Maximized Muffler Volume Innovative Carbon Cone End-cap Inserts for AMA Pro and other racing requirements, and USFS Approved Inserts

## Features

- Developed in conjunction with AMA Pro Supercross / Motocross teams, this evolutionary exhaust system combines power, light weight, and centralized mass to give you the confidence to dominate the race track.
- The RS-4 is a unique design with predicated power, a side benefit of a quiet earthy exhaust note that speaks volumes for performance and offers increased horsepower and torque.
- The RS-4 features all the benefits of the original RS-4 muffler, but with a unique turned-out end-cap, designed to direct exhaust heat and gases away from the bike's components.
- It features a polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end-cap.
- Pentagonal-shaped muffler sleeve and aluminum mount bracket.
- ›See more product details

## Images

![Yoshimura RS-4 Comp Slip-On Exhaust-Yamaha-YZ 450F-18-20 - Image 1](https://images-na.ssl-images-amazon.com/images/I/613pHOEhR1L.jpg)
![Yoshimura RS-4 Comp Slip-On Exhaust-Yamaha-YZ 450F-18-20 - Image 2](https://images-na.ssl-images-amazon.com/images/I/61wTxtufY5L.jpg)

---

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**Shop now:** [https://www.desertcart.ro/products/100425117-yoshimura-rs-4-comp-slip-on-exhaust-yamaha-yz-450f](https://www.desertcart.ro/products/100425117-yoshimura-rs-4-comp-slip-on-exhaust-yamaha-yz-450f)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-12*