Borla S-Type Cat-Back Exhaust System, Part Number 140479BC, for 2012-2018 Jeep Wrangler JKU 3.6L V6

This system features a black chrome on T-304 stainless steel tip. Using Borla(r) Stainless Steel Polish p# 21499 is NOT recommended with these black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth. Borla(r) Cat-Back(tm) and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, Borla(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. S-Type Cat-Back(tm) Exhaust System For 2012-2018 Jeep Wrangler JKU 3.6L V6 Automatic/ Manual Transmission 4 Wheel Drive 4 Door "Dirt Sport". Million Mile Warranty 2012-2018 Jeep Wrangler JKU 3.6L V6 Automatic/ Manual Transmission 4 Wheel Drive 4 Door "Dirt Sport".

Upgrade your 2012-2018 Jeep Wrangler JKU with the Borla S-Type Cat-Back Exhaust System, Part Number 140479BC. Designed for 3.6L V6 models with automatic or manual transmissions, four-wheel drive, and four-door configurations, this system delivers the aggressive yet refined Borla Sound of Power while improving exhaust flow and driving response. The system is engineered for the Dirt Sport application and includes a black chrome T-304 stainless steel tip with a square, rolled, angle-cut design.

Borla's patented straight-through and multi-core technology helps reduce restrictions, increase exhaust velocity, and unlock hidden horsepower potential. Smooth mandrel bends promote consistent airflow, while precision CNC manufacturing supports an accurate vehicle-specific fit. Constructed from premium T-304 stainless steel, the system offers superior corrosion resistance and durability compared with lower-grade 409 stainless steel alternatives. Borla backs this exhaust system with its Million-Mile Warranty for added long-term confidence.

To maintain the appearance of the black chrome tip, clean it with hot water and a microfiber cloth. Borla Stainless Steel Polish, Part Number 21499, is not recommended for this finish. This product is intended for automotive use and may require emissions-related acknowledgment where applicable. Verify vehicle configuration and local regulations before installation.

What's Included

The box includes one Borla S-Type Cat-Back Exhaust System with vehicle-specific exhaust tubing, muffler components, hardware, and black chrome rear tip.

Fitment

Fits select 2012-2018 Jeep Wrangler JKU models equipped with the 3.6L V6 engine, four-wheel drive, four doors, and either automatic or manual transmission. Confirm the exact model year, body configuration, drivetrain, and Dirt Sport application before ordering.

Features:

• Performance Sound: Delivers Borla's aggressive S-Type exhaust tone with a distinctive, controlled sound suitable for performance-oriented Jeep applications.
• High-Flow Design: Patented straight-through and multi-core technology improves exhaust velocity to support responsive performance and driving excitement.
• Premium Construction: Made from durable T-304 stainless steel for excellent corrosion resistance and long-term reliability.
• Black Chrome Tip: Includes a square, rolled, angle-cut black chrome tip that complements the Jeep Wrangler's rugged appearance; clean with hot water and a microfiber cloth.

Fitments:
2012 Jeep Wrangler Unlimited Rubicon
2012 Jeep Wrangler Unlimited Sahara
2012 Jeep Wrangler Unlimited Sport
2013 Jeep Wrangler Unlimited Rubicon
2013 Jeep Wrangler Unlimited Sahara
2013 Jeep Wrangler Unlimited Sport
2014 Jeep Wrangler Unlimited Rubicon
2014 Jeep Wrangler Unlimited Sahara
2014 Jeep Wrangler Unlimited Sport
2015 Jeep Wrangler Unlimited Rubicon
2015 Jeep Wrangler Unlimited Sahara
2015 Jeep Wrangler Unlimited Sport
2016 Jeep Wrangler Rubicon
2016 Jeep Wrangler Sahara
2016 Jeep Wrangler Sport
2016 Jeep Wrangler Sport S
2016 Jeep Wrangler Unlimited 75th Anniversary
2016 Jeep Wrangler Unlimited Rubicon
2016 Jeep Wrangler Unlimited Sahara
2016 Jeep Wrangler Unlimited Sport
2016 Jeep Wrangler Unlimited Sport S
2017 Jeep Wrangler Unlimited Rubicon
2017 Jeep Wrangler Unlimited Sahara
2017 Jeep Wrangler Unlimited Sport
2018 Jeep Wrangler JK Unlimited Rubicon
2018 Jeep Wrangler JK Unlimited Sahara
2018 Jeep Wrangler JK Unlimited Sport
2018 Jeep Wrangler JK Unlimited Sport S

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1