---
product_id: 1380299
title: "Roush 421145 Exhaust System"
brand: "roush"
price: "RM5970"
currency: MYR
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.my/products/1380299-roush-421145-exhaust-system
store_origin: MY
region: Malaysia
---

# Premium 304 & 409 stainless steel build Aggressive amplified sound Increased airflow & reduced back pressure Roush 421145 Exhaust System

**Brand:** roush
**Price:** RM5970
**Availability:** ✅ In Stock

## Summary

> 🔥 Turn heads and own the road with ROUSH’s fierce V6 roar!

## Quick Answers

- **What is this?** Roush 421145 Exhaust System by roush
- **How much does it cost?** RM5970 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/1380299-roush-421145-exhaust-system)

## Best For

- roush enthusiasts

## Why This Product

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

## Key Features

- • **Unleash V6 Power:** Maximize horsepower & torque with optimized airflow
- • **Comfort-Driven Design:** Eliminates in-cabin boom for a smooth, enjoyable ride
- • **Durable Chrome Finish:** Sleek 304 stainless steel tips resist corrosion and elevate style
- • **Signature ROUSH Sound:** Distinctive open-chamber muffler delivers aggressive yet refined exhaust notes
- • **Seamless Fit & Eco-Friendly:** Perfect fit for 2010-2011 Mustangs with zero emissions impact

## Overview

The ROUSH 421145 Exhaust System is a premium stainless steel cat-back upgrade designed for 2010-2011 V6 Mustangs. Featuring an open-chamber muffler and chrome-finished tips, it boosts horsepower and torque by improving airflow while eliminating in-cabin boom. Engineered for durability and style, it fits factory rear valances and maintains emissions compliance.

## Description

Rev up your V6 Mustang's exhaust with the ROUSH V6 Mustang Exhaust Kit. This kit, fitting 2011-2014 V6 Mustangs, boasts a new ROUSH open-chambered muffler with round tips. Unlike traditional fiberglass-packed mufflers, this open design offers less inhibited sound, longer lifespan, and increased airflow for enhanced power. Plus, it eliminates the common in-cockpit boom at cruising speeds.

## Features

- ROUSH 2011 V6 Mustang Exhaust Kit with Round Chrome Tips
- Amplified Aggressive Sound and Volume
- Increased Airflow, Decreased Back Pressure for Max Horsepower and Torque
- Distinctive ROUSH Open-Chambered Muffler Design
- Chrome-Finished 304 Stainless Steel Exhaust Tips
- 409 Stainless Steel Muffler and Pipes
- Eliminates In-Cockpit Boom
- Fits ROUSH 2010-2011 Mustang Rear Valance and Ford Factory Rear Valance
- No Negative Impact on Emissions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B006HF7DPC |
| Best Sellers Rank | #1,430,414 in Automotive ( See Top 100 in Automotive ) #477 in Automotive Replacement Exhaust Cat-Back Systems |
| Brand | Roush |
| Brand Name | Roush |
| Color | silver |
| Compatible with Vehicle Type | Car |
| Customer Reviews | 4.3 out of 5 stars 55 Reviews |
| Global Trade Identification Number | 00844764211452 |
| Installation Type | Clamp-On |
| Item Weight | 27 Pounds |
| Manufacturer | Roush |
| Manufacturer Part Number | 421145 |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Number | 421145 |
| OEM Equivalent Part Number | 421145 |
| Shape | Cylindrical with bends |
| UPC | 844764211452 |
| Vehicle Service Type | Car |

## Product Details

- **Color:** Stainless Steel
- **Brand:** Roush
- **Material:** Stainless Steel
- **Vehicle Service Type:** Car
- **Shape:** Round

## Images

![Roush 421145 Exhaust System - Image 1](https://m.media-amazon.com/images/I/51txydz5SyL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by F***Z on March 8, 2026*



### ⭐⭐⭐⭐⭐ Review
*by A***E on May 1, 2020*



### ⭐⭐⭐⭐⭐ Review
*by C***L on September 3, 2014*



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**Shop now:** [https://www.desertcart.com.my/products/1380299-roush-421145-exhaust-system](https://www.desertcart.com.my/products/1380299-roush-421145-exhaust-system)

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-06-26*