---
product_id: 219155057
title: "Flowmonster 425403-FM 2-Chamber Muffler"
brand: "flowmaster"
price: "€ 114.89"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/219155057-flowmonster-425403-fm-2-chamber-muffler
store_origin: IT
region: Italy
---

# Aggressive Sound Enhanced Flow Durable Build Flowmonster 425403-FM 2-Chamber Muffler

**Brand:** flowmaster
**Price:** € 114.89
**Availability:** ✅ In Stock

## Summary

> 🚗 Rev Up Your Ride with Flowmonster!

## Quick Answers

- **What is this?** Flowmonster 425403-FM 2-Chamber Muffler by flowmaster
- **How much does it cost?** € 114.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/219155057-flowmonster-425403-fm-2-chamber-muffler)

## Best For

- flowmaster enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Constructed from durable 16-gauge aluminized steel.
- • **Unleash the Roar:** Experience an aggressive sound that turns heads.
- • **Performance Boost:** Increases exhaust flow for superior throttle response.
- • **Vehicle Specific Fit:** Designed for a perfect fit in your car or truck.
- • **Precision Engineering:** 2-chamber design cancels annoying high-pitch frequencies.

## Overview

The Flowmonster 425403-FM 2-Chamber Muffler is engineered to deliver an aggressive sound while enhancing exhaust flow for improved performance. Crafted from durable 16-gauge aluminized steel and featuring a vehicle-specific fit, this muffler is designed to withstand the test of time and elevate your driving experience.

## Description

Flowmonster 425403-FM 2-Chamber Muffler

## Features

- Produces an aggressive sound
- 2-Chamber Internal Design Cancels out Annoying High Pitch Frequencies
- Increases exhaust flow for increased performance and excellent throttle response
- Constructed of durable 16-gauge aluminized steel
- 100% MIG welded for maximum strength and durability
- Fit type: Vehicle Specific

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Flowmaster |
| Item dimensions L x W x H | 13 x 9 x 4.75 inches |
| Vehicle Service Type | Car, Truck |
| Configuration | Center/Dual |
| Shape | Oval |
| UPC | 090127063279 |
| Manufacturer | PMDDS |
| Model | Flowmonster 2-Chamber Small Muffler |
| Item Weight | 3.52 ounces |
| Product Dimensions | 13 x 9 x 4.75 inches |
| Item model number | 425403-FM |
| Exterior | Machined |
| Manufacturer Part Number | 425403-FM |

## Product Details

- **Brand:** Flowmaster
- **Item dimensions L x W x H:** 13 x 9 x 4.75 inches
- **Vehicle Service Type:** Car, Truck
- **Configuration:** Center/Dual
- **Shape:** Oval

## Images

![Flowmonster 425403-FM 2-Chamber Muffler - Image 1](https://m.media-amazon.com/images/I/711CoqNH8qL.jpg)
![Flowmonster 425403-FM 2-Chamber Muffler - Image 2](https://m.media-amazon.com/images/I/71Gyl6PlETL.jpg)
![Flowmonster 425403-FM 2-Chamber Muffler - Image 3](https://m.media-amazon.com/images/I/71+ph74SGuL.jpg)
![Flowmonster 425403-FM 2-Chamber Muffler - Image 4](https://m.media-amazon.com/images/I/71J-0tkef3L.jpg)
![Flowmonster 425403-FM 2-Chamber Muffler - Image 5](https://m.media-amazon.com/images/I/61TtSNR7oDL.jpg)

## Frequently Bought Together

- Flowmonster 425403-FM 2-Chamber Muffler
- Walker 36516 Exhaust System Hanger
- 2.5'' Mild Steel Custom Exhaust Kit Tubing Mandrel Bend Pipe Straight & U-Bend 16 Gauge Universal 8PCS

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**Shop now:** [https://www.desertcart.it/products/219155057-flowmonster-425403-fm-2-chamber-muffler](https://www.desertcart.it/products/219155057-flowmonster-425403-fm-2-chamber-muffler)

---

*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-01-27*