MBRP 2.5-Inch Cat-Back Exhaust Single Rear Exit Armor Lite 3.6L Gas 2012-2017 Jeep Wrangler; 2018 Jeep Wrangler JK Aluminized Steel Cat Back Exhaust System Single Rear Exit Off Road Aluminum For 12-18 Jeep Wrangler/Rubicon JK 3.6L V6 2/4 Door

Free Shipping. Verified fitment for 2012-2017 Jeep Wrangler; 2018-2018 Jeep Wrangler JK. Orders Placed By 1PM CST Get Shipped Same Day. This MBRP cat back is built for buyers who want a direct-fit change in exhaust flow, tone, and durability without gambling on generic universal hardware.

Overview

This exhaust system kit uses a vehicle-specific layout with Aluminized Steel, 2.5 inch sizing, and a single outlet configuration. It is well-suited to daily driving and off-road use where clearance, routing, and cabin tone control matter. This fitment profile ties the part to 3.6 Liter Gas vehicles, which matters because sound, flow demand, and packaging change with engine and fuel type.

Key Features

• Configuration: Cat Back — defines where the system starts and how much of the factory exhaust it replaces
• Material: Aluminized Steel — important for corrosion resistance, heat-cycle durability, and long-term service life
• Tubing Size: 2.5 inch — relevant to flow capacity, sound character, and the balance between response and drivability
• Series: Armor Lite — useful when comparing entry-value construction against longer-life stainless options inside the MBRP range
• Finish: Aluminized — matters for surface durability and how the system holds appearance over time
• Outlet: Single — changes rear appearance, exit strategy, and how sound leaves the truck or SUV
• Engine Match: 3.6 Liter Gas — keeps the part anchored to the intended powertrain instead of a generic application list
• Warranty: 3 Year Warranty — useful for understanding long-term ownership coverage

Engineering Notes

Cat Back changes the exhaust flow path with a platform-specific layout, which is what separates a direct-fit system from a generic pipe solution. On Wrangler and Gladiator platforms, exhaust routing has to coexist with rear suspension travel, spare-tire packaging, and the fact that an open or removable-top cabin amplifies drone. That makes exit location and tone control matter in real-world use. Aluminized Steel matters in the real world because corrosion resistance determines how well the system survives heat cycles, moisture, road salt, and long service intervals. The 2.5 inch sizing influences gas velocity, sound character, and overall restriction. Bigger is not automatically better; the right balance depends on the application. Within the MBRP range, the Armor Lite designation helps buyers compare construction level, service life, and long-term ownership value.

Important Notes

• Review the installation instructions before ordering to confirm hardware, routing, and whether any cutting or adaptation is required.
• This product includes a California Proposition 65 warning.

Verified Fitment

2012-2017 Jeep Wrangler; 2018-2018 Jeep Wrangler JK