MBRP Cat Back Exhaust System

1997–2006 Jeep Wrangler TJ 2.5L & 4.0L

Part #: S5512AL

Overview

The MBRP Cat Back Exhaust System with a single side exit and aluminized steel construction is designed specifically for Jeep Wrangler TJ models from 1997 to 2006 equipped with 2.5L and 4.0L engines. This exhaust system offers a balanced upgrade for Jeep enthusiasts seeking improved exhaust flow, a more aggressive sound profile, and durable materials without a premium price tag. Ideal for daily drivers and weekend adventurers alike, it enhances your Wrangler’s performance and style while maintaining a refined street sound.

Engineered to replace the factory exhaust from the catalytic converter back, this cat back system improves exhaust scavenging and reduces backpressure, contributing to a more responsive throttle and a deeper exhaust note. Its single side exit design complements the classic Jeep look while providing a clean, functional finish.

Key Features

Designed with quality and value in mind, the MBRP Cat Back Exhaust System offers the following key features:

• Constructed from aluminized steel for excellent corrosion resistance in dry climates
• Single side exit with a 3.5-inch rolled angle cut tip for a classic, durable appearance
• Street profile sound that balances aggressive throttle response with comfortable cruising noise levels
• 2.5-inch tubing diameter optimized for improved exhaust flow and performance
• Direct bolt-on fitment for 1997–2006 Jeep Wrangler TJ 2.5L and 4.0L engines, ensuring easy installation
• Mirror-polished T304 stainless steel tip for enhanced durability and style
• 3-year warranty providing peace of mind and product reliability
• Armor Lite series design offering a lightweight yet robust exhaust solution

Construction & Design

The MBRP Cat Back Exhaust System is crafted from aluminized steel, a material known for its excellent resistance to rust and corrosion in dry, salt-free environments. This choice balances durability with affordability, making it an ideal option for Jeep owners who want a reliable exhaust without the premium cost of full stainless steel. The aluminized steel tubing is precision-formed to ensure optimal exhaust flow and fitment.

The exhaust tip is made from high-grade T304 stainless steel with a mirror-polished finish. Its single wall, rolled angle cut design not only adds a classic aesthetic but also withstands the rigors of off-road and daily driving conditions. The 2.5-inch tubing diameter throughout the system ensures smooth exhaust gas evacuation, contributing to improved engine efficiency.

Performance & Sound

This cat back exhaust system features MBRP’s Street Profile sound tuning, delivering a deep, aggressive tone that comes alive under throttle without becoming intrusive during long drives. It enhances the Jeep Wrangler’s natural engine sound, providing a more engaging driving experience whether cruising on the highway or navigating off-road trails. The improved exhaust flow reduces backpressure, which can help with throttle response and overall engine performance.

Installation & Fitment

The MBRP Cat Back Exhaust System is designed for a direct bolt-on installation on 1997 through 2006 Jeep Wrangler TJ models with 2.5L and 4.0L engines. No cutting or welding is required, making it a straightforward upgrade for DIY enthusiasts or professional installers. All mounting points align with factory locations to ensure a secure fit and proper clearance from chassis components.

What's Included

• Aluminized steel cat back exhaust piping
• Single side exit 3.5-inch rolled angle cut stainless steel tip
• All necessary clamps and hardware for installation
• Installation instructions

Ideal For

This exhaust system is perfect for Jeep Wrangler TJ owners seeking a cost-effective upgrade that enhances sound and performance without compromising durability. It suits daily drivers, weekend off-roaders, and enthusiasts who want a more aggressive exhaust note with a classic single side exit look. Its corrosion-resistant aluminized steel construction makes it especially suitable for dry climate regions.