---
product_id: 390881608
title: "425404 Exhaust Muffler"
brand: "flowmaster"
price: "€ 307.29"
currency: EUR
in_stock: true
reviews_count: 5
category: "Flowmaster"
url: https://www.desertcart.gr/products/390881608-425404-exhaust-muffler
store_origin: GR
region: Greece
---

# Aggressive exterior & interior exhaust tone Universal fit for street, strip & off-road 16 gauge aluminized steel - rugged durability 425404 Exhaust Muffler

**Brand:** flowmaster
**Price:** € 307.29
**Availability:** ✅ In Stock

## Summary

> 🔥 Unleash the roar that turns heads everywhere!

## Quick Answers

- **What is this?** 425404 Exhaust Muffler by flowmaster
- **How much does it cost?** € 307.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/390881608-425404-exhaust-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:** Fully welded 16 gauge aluminized steel ensures unmatched longevity and corrosion resistance.
- • **Versatile Fit:** Universal design fits a wide range of vehicles for street, strip, and off-road adventures.
- • **Lightweight Power:** At just 4.65 kg, it balances durability with minimal added weight for optimal handling.
- • **Precision Engineering:** MIG welded construction guarantees maximum strength and leak-free performance.
- • **Iconic Flowmaster Sound:** Delivers that unmistakable aggressive exterior roar and deep interior resonance.

## Overview

The Flowmaster 425404 Exhaust Muffler is a durable, fully welded 16 gauge aluminized steel muffler designed for universal fitment. It delivers the classic aggressive Flowmaster sound with both exterior and interior resonance, making it ideal for street, strip, and off-road use. Weighing only 4.65 kg, it combines rugged construction with lightweight performance.

## Description

The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound, this is the muffler for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Review: Best bang “rumble” for the buck
Review: This muffler isbadass. It sounds awesome!

## Features

- Durable fully welded 16 gauge aluminized steel
- Aggressive sound exterior exhaust tone
- Noticeable interior resonance
- Excellent Street/Strip and Off Road application
- Fit type: Universal Fit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Flowmaster |
| Brand | Flowmaster |
| Model | 425404 |
| Product Dimensions | 52.07 x 25.4 x 11.43 cm; 4.65 kg |
| Item model number | 425404 |
| Exterior | Painted |
| Manufacturer Part Number | 425404 |
| OEM Part Number | 425404 |
| Item Weight | 4.65 Kilograms |

## Product Details

- **Brand:** Flowmaster
- **Item dimensions L x W x H:** 52.1 x 25.4 x 11.4 centimeters
- **Item weight:** 4.65 kg
- **Material:** Alloy Steel
- **Vehicle service type:** Car

## Images

![425404 Exhaust Muffler - Image 1](https://m.media-amazon.com/images/I/71PeQy5X1iL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***M on 29 October 2020*

Best bang “rumble” for the buck

### ⭐⭐⭐⭐⭐ Review
*by C***N on 26 November 2025*

This muffler isbadass. It sounds awesome!

### ⭐⭐⭐⭐⭐ Review
*by J***S on 17 October 2025*

Great muffler

## Frequently Bought Together

- Flowmaster 425404 40 Series Chambered Muffler
- EVIL ENERGY 2.5 Inch Exhaust Clamp,2 1/2" Butt Joint Band Clamp Sleeve Coupler Stainless Steel for Pipes,Mufflers,Catalytic Converters 1PCS
- EVIL ENERGY 2.5'' Exhaust Clamp,Lap Joint Band Clamp Stainless Steel for Pipes,Mufflers,Catalytic Converters (1, 2.5 inch)

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**Shop now:** [https://www.desertcart.gr/products/390881608-425404-exhaust-muffler](https://www.desertcart.gr/products/390881608-425404-exhaust-muffler)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-05-18*