---
product_id: 14681874
title: "Flowmaster8435419 3.5 O/C 409S 40 Series Race Muffler 4X9"
brand: "flowmaster"
price: "€ 317.32"
currency: EUR
in_stock: true
category: "Automotive"
url: https://www.desertcart.pt/products/14681874-flowmaster8435419-3-5-o-c-409s-40-series-race-muffler
store_origin: PT
region: Portugal
---

# Race proven technology Decibel reduction 16 gauge stainless steel Flowmaster8435419 3.5 O/C 409S 40 Series Race Muffler 4X9

**Brand:** flowmaster
**Price:** € 317.32
**Availability:** ✅ In Stock

## Summary

> 🏎️ Rev Up Your Ride with Flowmaster!

## Quick Answers

- **What is this?** Flowmaster8435419 3.5 O/C 409S 40 Series Race Muffler 4X9 by flowmaster
- **How much does it cost?** € 317.32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/14681874-flowmaster8435419-3-5-o-c-409s-40-series-race-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

- • **Race Ready:** Engineered for the track, this muffler is a must-have for serious racers.
- • **No Blowouts:** Designed without internal packing to prevent blowouts and maintain performance.
- • **Built to Last:** Durable fully welded construction ensures longevity and performance.
- • **Silence the Noise:** Enjoy significant decibel reduction over open headers for a smoother ride.
- • **Unleash Your Power:** Experience maximum horsepower and torque with patented delta flow technology.

## Overview

The Flowmaster8435419 3.5 O/C 409S 40 Series Race Muffler is a high-performance, durable muffler crafted from 16 gauge stainless steel. It features a two-chamber design that significantly reduces noise while enhancing horsepower and torque, making it the ideal choice for racing enthusiasts.

## Description

The Delta Force 40 series race mufflers utilize Flowmaster's patented Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers.

## Features

- Durable fully welded 16 gauge stainless steel two chamber race muffler
- Good decibel reduction over open headers
- No internal packing to blowout
- Race proven patented delta flow technology; designed for maximum horsepower and torque

## Images

![Flowmaster8435419 3.5 O/C 409S 40 Series Race Muffler 4X9 - Image 1](http://ecx.images-amazon.com/images/I/31J4Be1yEHL.jpg)
![Flowmaster8435419 3.5 O/C 409S 40 Series Race Muffler 4X9 - Image 2](http://ecx.images-amazon.com/images/I/31Ut5cPj3dL.jpg)

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**Shop now:** [https://www.desertcart.pt/products/14681874-flowmaster8435419-3-5-o-c-409s-40-series-race-muffler](https://www.desertcart.pt/products/14681874-flowmaster8435419-3-5-o-c-409s-40-series-race-muffler)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-17*