---
product_id: 15549038
title: "MagnaFlow Performance Exhaust Muffler 11229: 3\"/3\" Inlet/Outlet, 4x9x14\" Oval, Stainless Steel, Satin Finish"
brand: "magnaflow exhaust products"
price: "$304.11"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/15549038-magnaflow-performance-exhaust-muffler-11229-3-3-inlet-outlet-4x9x14
store_origin: US
region: United States of America
---

# Signature deep MagnaFlow sound Dyno-proven power boost Durable stainless steel build MagnaFlow Performance Exhaust Muffler 11229: 3"/3" Inlet/Outlet, 4x9x14" Oval, Stainless Steel, Satin Finish

**Brand:** magnaflow exhaust products
**Price:** $304.11
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your drive with the sound of power and precision!

## Quick Answers

- **What is this?** MagnaFlow Performance Exhaust Muffler 11229: 3"/3" Inlet/Outlet, 4x9x14" Oval, Stainless Steel, Satin Finish by magnaflow exhaust products
- **How much does it cost?** $304.11 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/15549038-magnaflow-performance-exhaust-muffler-11229-3-3-inlet-outlet-4x9x14)

## Best For

- magnaflow exhaust products enthusiasts

## Why This Product

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

## Key Features

- • **Lifetime Confidence:** Backed by a limited lifetime warranty, ensuring your investment performs for the long haul.
- • **Power-Optimized Flow:** Dyno-tested design enhances exhaust evacuation for measurable engine power gains.
- • **Precision Engineering:** Straight-through perforated core with two-stage acoustic packing for smooth, aggressive tone.
- • **Universal Fit Flexibility:** Customizable placement fits a wide range of vehicles—tailor your ride’s sound and style.
- • **Unmistakable MagnaFlow Tone:** Turn heads with the iconic deep, resonating exhaust sound that defines performance.

## Overview

The MagnaFlow Performance Exhaust Muffler 11229 features a 3" inlet/outlet and a 4x9x14" oval stainless steel body with a satin finish. Engineered in the USA, it delivers a signature deep exhaust tone while improving engine performance through optimized flow dynamics. Its universal design allows flexible installation, and it comes with a limited lifetime construction warranty for lasting reliability.

## Description

MagnaFlow Performance Exhaust Muffler 11229: 3"/3" Inlet/Outlet, 4x9x14" Oval, Stainless Steel, Satin Finish

## Features

- SIGNATURE MAGNAFLOW SOUND - Engineered to deliver the deep, resonating sound that MagnaFlow mufflers are famous for.
- DYNO-PROVEN PERFORMANCE - Extensive dyno testing is used to ensure that this 4" x 9" Oval muffler increases engine power and performance by improving the flow dynamics and evacuation of exhaust gases.
- OPTIMAL ARCHITECTURE & CONSTRUCTION - The internal architecture of this muffler features a straight-through perforated core with two-stage acoustic packing which maintains the velocity of exhaust flow while generating a smooth, deep exhaust tone. Proudly made in the USA.
- UNIVERSAL FITMENT - Universal design enables custom muffler placement and orientation to meet the particular spacing and mechanical requirements of your vehicle. Professional installation is highly recommended.
- LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | MagnaFlow Exhaust Products |
| Item dimensions L x W x H | 21.13 x 9.5 x 4.5 inches |
| Vehicle Service Type | Car, Truck |
| Configuration | Offset/Center |
| Shape | Oval |
| Inlet Connection Size | 3 Inches |
| Outlet Connection Size | 3 Inches |
| UPC | 841380000507 |
| Manufacturer | MagnaFlow Exhaust Products |
| Global Trade Identification Number | 00841380000507 |
| OEM Part Number | 11229 |
| Automotive Fit Type | Vehicle Specific Fit |
| Model | Straight-Through |
| Item Weight | 3 pounds |
| Product Dimensions | 21.13 x 9.5 x 4.5 inches |
| Item model number | 11229 |
| Is Discontinued By Manufacturer | No |
| Exterior | Satin Finish |
| Manufacturer Part Number | 11229 |

## Product Details

- **Brand:** MagnaFlow Exhaust Products
- **Material:** Stainless Steel
- **Item dimensions L x W x H:** 21.13 x 9.5 x 4.5 inches
- **Vehicle Service Type:** Car, Truck
- **Item Weight:** 3 Pounds

## Images

![MagnaFlow Performance Exhaust Muffler 11229: 3"/3" Inlet/Outlet, 4x9x14" Oval, Stainless Steel, Satin Finish - Image 1](https://m.media-amazon.com/images/I/51QUM1NOlOS.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: what are the dimensions of the muffler body as well as inlet tip to outlet tip**
A: According to MagnaFlow, the specs are as follows: Body Shape: 4"x9" Oval, Inlet Size: 2.5", Outlet Size: 2.5", Body Length: 14"; Overall Length: 20"Core Size: 2.5", Position: Center/Offset

**Q: Is it a single muffler or pair?**
A: A single muffler.

**Q: Does this muffler have an very aggressive sound**
A: Yes it does awesome sound. If you watch any of the car shows when they do hot rod builds most use this muffler.

**Q: So basically this probably won't fit my 2000 Honda civic lx will it?**
A: If you're Honda has 2 1/4 inch exhaust pipe it could

## Frequently Bought Together

- MagnaFlow Performance Exhaust Muffler 11229: 3"/3" Inlet/Outlet, 4x9x14" Oval, Stainless Steel, Satin Finish
- EVIL ENERGY 3.0 Inch Exhaust Clamp,Butt Joint Band Clamp Sleeve Coupler Stainless Steel for Pipes,Mufflers,Catalytic Converters 2PCs
- 3" Inch Exhaust Clamps Stainless Steel Muffler Band Clamp for 3" Inner Diameter to 3" Outer Diameter Turbo Downpipe Tip Car System Connection (2 Pack)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/15549038-magnaflow-performance-exhaust-muffler-11229-3-3-inlet-outlet-4x9x14](https://www.desertcart.us/products/15549038-magnaflow-performance-exhaust-muffler-11229-3-3-inlet-outlet-4x9x14)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-14*