---
product_id: 103805300
title: "SLP 31060 Exhaust System (2004 GTO \"LoudMouth\" w/PowerFlo-X Crossover Pipe)"
brand: "slp"
price: "$554.23"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/103805300-slp-31060-exhaust-system-2004-gto-loudmouth-w-powerflo-x
store_origin: US
region: United States of America
---

# Hand-polished mufflers & tips PowerFlo-X crossover for max flow 100% stainless steel build SLP 31060 Exhaust System (2004 GTO "LoudMouth" w/PowerFlo-X Crossover Pipe)

**Brand:** slp
**Price:** $554.23
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Turn heads and drop jaws with every rev!

## Quick Answers

- **What is this?** SLP 31060 Exhaust System (2004 GTO "LoudMouth" w/PowerFlo-X Crossover Pipe) by slp
- **How much does it cost?** $554.23 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/103805300-slp-31060-exhaust-system-2004-gto-loudmouth-w-powerflo-x)

## Best For

- slp enthusiasts

## Why This Product

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

## Key Features

- • **Show-Quality Finish:** Hand-polished mufflers and dual slash-cut tips deliver a sleek, head-turning appearance.
- • **Plug-and-Play Fitment:** Designed specifically for 2004 GTO LS1 models for seamless installation and perfect fit.
- • **Race-Proven Muscle Power:** Unleash deep, aggressive LS1 sound that commands attention on every drive.
- • **PowerFlo-X Crossover Efficiency:** Maximize exhaust flow with advanced ceramic-wrapped perforated core technology for superior horsepower gains.
- • **Premium Stainless Steel Durability:** Crafted entirely from corrosion-resistant stainless steel for long-lasting performance and shine.

## Overview

The SLP 31060 Exhaust System for the 2004 GTO LS1 combines race-proven PowerFlo mufflers and a Loudmouth II design with a ceramic-wrapped perforated core for superior exhaust flow and a deep muscle-car roar. Constructed entirely from stainless steel with hand-polished mufflers and dual slash-cut tips, it offers both durability and a show-quality finish tailored for seamless fitment.

## Description

Race-proven performance and a powerful deep muscle-car sound to match, with a PowerFlo Exhaust System from SLP Performance Parts. This exhaust system includes a pair of our PowerFlo mufflers and Loudmouth II muffler, which use a straight-through design and ceramic-wrapped perforated core to significantly outflow traditional chambered and turbo-type mufflers. Combined with our Dual-Dual slash cut polished tips, you'll really feel and hear the difference!

## Features

- GTO ls1 2004
- Constructed entirely from stainless steel
- Hand-polished mufflers and tips provide a show quality appearance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | SLP |
| UPC | 871782001727 |
| Global Trade Identification Number | 00871782001727 |
| Item Weight | 52 pounds |
| Product Dimensions | 62.7 x 17.1 x 12.7 inches |
| Item model number | 31060 |
| Manufacturer Part Number | 31060 |

## Product Details

- **Brand:** SLP
- **Material:** Stainless Steel
- **Vehicle Service Type:** Car
- **Installation Type:** Bolt-On
- **Finish Type:** Polished

## Images

![SLP 31060 Exhaust System (2004 GTO "LoudMouth" w/PowerFlo-X Crossover Pipe) - Image 1](https://m.media-amazon.com/images/I/41lh2OYZ3QL.jpg)
![SLP 31060 Exhaust System (2004 GTO "LoudMouth" w/PowerFlo-X Crossover Pipe) - Image 2](https://m.media-amazon.com/images/I/31VLAXjvIjL.jpg)
![SLP 31060 Exhaust System (2004 GTO "LoudMouth" w/PowerFlo-X Crossover Pipe) - Image 3](https://m.media-amazon.com/images/I/31fCuvQ4AUS.jpg)
![SLP 31060 Exhaust System (2004 GTO "LoudMouth" w/PowerFlo-X Crossover Pipe) - Image 4](https://m.media-amazon.com/images/I/41JRrEfoObL.jpg)

---

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**Shop now:** [https://www.desertcart.us/products/103805300-slp-31060-exhaust-system-2004-gto-loudmouth-w-powerflo-x](https://www.desertcart.us/products/103805300-slp-31060-exhaust-system-2004-gto-loudmouth-w-powerflo-x)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-17*