---
product_id: 242820301
title: "425404 40 Series Exhaust Muffler, 1 Pack"
brand: "flowmaster"
price: "$548.02"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/242820301-425404-40-series-exhaust-muffler-1-pack
store_origin: US
region: United States of America
---

# 425404 40 Series Exhaust Muffler, 1 Pack

**Brand:** flowmaster
**Price:** $548.02
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 425404 40 Series Exhaust Muffler, 1 Pack by flowmaster
- **How much does it cost?** $548.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/242820301-425404-40-series-exhaust-muffler-1-pack)

## Best For

- flowmaster enthusiasts

## Why This Product

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

## Description

425404 40 Series Exhaust Muffler, 1 Pack

## 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 |
|---------------|-------|
| ASIN | B01IDDG3V0 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #16,646 in Automotive ( See Top 100 in Automotive ) #33 in Automotive Replacement Exhaust Mufflers |
| Brand | Flowmaster |
| Configuration | Dual/Dual |
| Customer Reviews | 4.6 4.6 out of 5 stars (115) |
| Date First Available | July 19, 2016 |
| Exterior | Painted |
| Global Trade Identification Number | 00700042026029 |
| Inlet Connection Size | 2.5 Inches |
| Is Discontinued By Manufacturer | No |
| Item Weight | 10.25 pounds |
| Item dimensions L x W x H | 20.5 x 10 x 4.5 inches |
| Item model number | 425404 |
| Manufacturer | Flowmaster |
| Manufacturer Part Number | 425404 |
| Model | 425404 |
| OEM Part Number | 425404 |
| Product Dimensions | 20.5 x 10 x 4.5 inches |
| Shape | Oval |
| UPC | 700042026029 |
| Vehicle Service Type | Car |

## Product Details

- **Brand:** Flowmaster
- **Item Weight:** 10.25 Pounds
- **Item dimensions L x W x H:** 20.5 x 10 x 4.5 inches
- **Material:** Alloy Steel
- **Vehicle Service Type:** Car

## Images

![425404 40 Series Exhaust Muffler, 1 Pack - Image 1](https://m.media-amazon.com/images/I/71PeQy5X1iL.jpg)

## 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.us/products/242820301-425404-40-series-exhaust-muffler-1-pack](https://www.desertcart.us/products/242820301-425404-40-series-exhaust-muffler-1-pack)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-05*