---
product_id: 47292657
title: "Roush Performance Products 421127 Axle-Back Exhaust Kit, 1 Pack"
brand: "roush"
price: "€ 1051.57"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/47292657-roush-performance-products-421127-axle-back-exhaust-kit-1-pack
store_origin: IE
region: Ireland
---

# Aggressive sound upgrade Perfect Mustang GT & GT500 fit Boosts horsepower & torque Roush Performance Products 421127 Axle-Back Exhaust Kit, 1 Pack

**Brand:** roush
**Price:** € 1051.57
**Availability:** ✅ In Stock

## Summary

> 🔥 Turn heads, drop jaws, and own the street with Roush’s signature growl!

## Quick Answers

- **What is this?** Roush Performance Products 421127 Axle-Back Exhaust Kit, 1 Pack by roush
- **How much does it cost?** € 1051.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/47292657-roush-performance-products-421127-axle-back-exhaust-kit-1-pack)

## 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

- • **Built to Last:** Crafted from premium stainless steel with chrome flashing for durability and a sleek, polished look.
- • **Unleash the Roar:** Transform your Mustang’s exhaust note with a deep, aggressive tone that commands attention.
- • **Power Meets Precision:** Engineered for higher airflow and reduced back pressure, delivering measurable horsepower and torque gains.
- • **Tailored for the Icon:** Specifically designed to fit 2011-2014 Mustang GT 5.0L V8 and 2011-2012 GT500 5.4L V8 models flawlessly.
- • **Easy Upgrade, Instant Impact:** Simple axle-back installation means you’re minutes away from a performance and style boost that turns heads.

## Overview

The RoushPerformance 421127 Axle-Back Exhaust Kit is a precision-engineered upgrade for 2011-2014 Mustang GT 5.0L V8 and 2011-2012 GT500 5.4L V8 models. Featuring stainless steel construction with chrome accents, it enhances exhaust sound with an aggressive tone while improving airflow to increase horsepower and torque. This kit offers a durable, stylish, and easy-to-install solution for Mustang enthusiasts seeking both performance and presence.

## Description

RoushPerformance Products 421127 Axle-Back Exhaust Kit, 1 Pack

## Features

- Fits 2011-2014 Mustang GT 5.0L V8 & 2011-2012 GT500 5.4L V8
- Upgraded aggressive sound tone and volume
- Provides higher air flow and less back pressure for increased horsepower and torque

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Roush Performance |
| Brand | Roush |
| Item Weight | 27.6 pounds |
| Product Dimensions | 21.5 x 10.25 x 24 inches |
| Item model number | 421127 |
| Exterior | Stainless Steel with Chrome Flashing |
| Manufacturer Part Number | 421127 |

## Product Details

- **Brand:** Roush
- **Material:** Fiberglass
- **Vehicle Service Type:** Car
- **Installation Type:** Bolt-On
- **Manufacturer:** Roush Performance

## Images

![Roush Performance Products 421127 Axle-Back Exhaust Kit, 1 Pack - Image 1](https://m.media-amazon.com/images/I/411gx4SNMPL.jpg)

## Frequently Bought Together

- Roush Performance Products 421127 Axle-Back Exhaust Kit, 1 Pack
- Ford Racing M20201S197 Strut Tower Brace for Ford Mustang,Black
- Raxiom Sequential Tail Light Harness Kit with Tuning Plug and Play Wire Fits Mustang 2005-2009

---

## 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.ie/products/47292657-roush-performance-products-421127-axle-back-exhaust-kit-1-pack](https://www.desertcart.ie/products/47292657-roush-performance-products-421127-axle-back-exhaust-kit-1-pack)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-26*