Banks Power Monster Exhaust System

Jeep Wrangler 12-18 3.6L V6

Part #: 51343

Overview

The Banks Power Monster Exhaust System is a high-performance upgrade designed specifically for the 2012–2018 Jeep Wrangler Unlimited JK equipped with the 3.6L engine. This exhaust system dramatically improves exhaust flow and reduces backpressure, resulting in enhanced engine efficiency and a more commanding exhaust note. Ideal for Jeep enthusiasts seeking both performance gains and a refined, authoritative sound, the Monster Exhaust System delivers a noticeable upgrade over the factory setup without compromising civility.

Featuring a supersized 2.5-inch stainless steel tailpipe and the industry-renowned Banks Monster muffler, this system is engineered to maximize airflow and durability. Whether you’re tackling off-road trails or cruising on the highway, the Monster Exhaust System provides a robust yet controlled exhaust tone that complements the rugged character of the Jeep Wrangler Unlimited.

Key Features

Designed to deliver superior performance and sound, the Banks Power Monster Exhaust System includes the following key features:

• Mandrel-bent 2.5-inch stainless steel tailpipe for maximum flow and durability
• Straight-thru Monster muffler that flows up to 119% better than stock
• Virtually eliminates backpressure from the catalytic converter back
• Heavy-gauge stainless steel construction for long-lasting corrosion resistance
• Choice of polished chrome or Cerakote black stainless steel tailpipe tip
• Rich, authoritative exhaust tone with a civil sound profile
• Includes all necessary mounting hardware for a straightforward installation
• Compatible with both 2-door and 4-door Jeep Wrangler JK models

Construction & Design

The Monster Exhaust System is crafted from heavy-gauge stainless steel, ensuring exceptional strength and resistance to rust and corrosion. The 2.5-inch tailpipe is mandrel-bent to maintain consistent diameter throughout bends, optimizing exhaust flow and minimizing turbulence. The polished chrome or Cerakote black tip adds a sleek, custom appearance that complements the Jeep’s rugged styling. Banks Power’s engineering expertise is evident in the straight-thru Monster muffler design, which minimizes flow restrictions and maximizes performance without sacrificing sound quality.

Performance & Sound

This exhaust system significantly reduces backpressure, allowing the engine to breathe more freely and operate more efficiently. The Monster muffler’s straight-thru design flows up to 119% better than the stock muffler, translating into improved throttle response and potential gains in power and fuel efficiency. The exhaust note is deep and authoritative, providing a strong presence without excessive drone or harshness, making it suitable for daily driving as well as spirited off-road adventures.

Installation & Fitment

The Banks Monster Exhaust System is designed for a direct bolt-on installation on 2012–2018 Jeep Wrangler Unlimited JK models with the 3.6L engine. No cutting or welding is required, and all necessary mounting hardware is included. Installation can typically be completed with basic hand tools, making it accessible for experienced DIY enthusiasts or professional installers alike. The system fits both 2-door and 4-door configurations, ensuring versatility across the Wrangler JK lineup.

What's Included

• Stainless steel Monster muffler
• Mandrel-bent 2.5-inch stainless steel tailpipe
• Polished chrome or Cerakote black stainless steel tailpipe tip
• Complete mounting hardware kit

Ideal For

This exhaust system is perfect for Jeep Wrangler Unlimited JK owners who want to enhance their vehicle’s performance and sound without sacrificing reliability or daily drivability. It suits off-road enthusiasts, weekend adventurers, and anyone looking to upgrade their factory exhaust for improved airflow, reduced backpressure, and a more commanding exhaust note.

Banks Power develops emissions-compliant performance parts for diesel and gas trucks, SUVs, and tow rigs—focused on airflow, efficiency, and reliable power. With decades of engineering and patented development, Banks offers systems like intakes, exhaust and boost upgrades, tuners, and supporting components designed to increase performance while maintaining drivability for real-world use.