Borla S-Type Cat-Back Exhaust System with Square Black Chrome Tips (140479BC) - 2012-2018 Jeep Wrangler JKU Unlimited Dirt Sport 3.6L V6
Wake up the high-performance spirit of your off-road vehicle with the high-impact Borla S-Type Cat-Back Exhaust System. Custom-engineered for 2012 to 2018 Jeep Wrangler JKU Unlimited Dirt Sport models, this premium full-length exhaust upgrade introduces Borla's legendary acoustic profile: the classic S-Type sound level. Formulated explicitly for driving enthusiasts and overland purists who crave a highly aggressive, sport-tuned exhaust note under acceleration, this system is calibrated to give the 3.6L Pentastar V6 engine a bold, crisp, and high-impact growl. This configuration delivers a commanding exterior acoustic presence while relying on advanced straight-through internals backed by Borla's official No-Drone Guarantee to keep the cabin completely comfortable and drone-free during highway cruising, daily commuting, or technical trail rides.
The internal engineering of the Borla 140479BC targets key factory flow restrictions by incorporating an upgraded high-efficiency performance layout featuring a 2.5-inch diameter main pipe configuration throughout. This performance architecture utilizes ultra-smooth mandrel-bent performance tubing and patented multi-core internal geometry that maximizes exhaust velocity and optimizes scavenging to unlock hidden horsepower, sharper throttle response, and enhanced fuel economy across the entire powerband. Designed to route flawlessly along the undercarriage, it leaves plenty of extra clearance for rugged off-road terrain and is tailored exclusively to match the structural requirements of Dirt Sport configurations. Built completely from premium-grade, aircraft-quality T-304 austenitic stainless steel, this highly durable cat-back assembly defends permanently against structural degradation, intense under-car heat cycling, and severe corrosion. The spent exhaust gases exit through a unique single configuration finished with premium black chrome visual styling on a 3.5-inch x 3.28-inch single square, rolled edge angle-cut T-304 stainless steel tip. Precision CNC-manufactured for an accurate line-to-line bolt-on fitment, this system utilizes all factory mounting positions and is backed by Borla’s legendary lifetime Million-Mile Warranty.
Chassis & Configuration Notes: This 2.5-inch performance cat-back system is engineered specifically for the 4-Wheel Drive (4WD) JK-generation platform 4-door Wrangler Unlimited (JKU) Dirt Sport models equipped with the 3.6L V6 engine and automatic or manual transmissions. Please note that this assembly is tailored strictly to match Dirt Sport models only and will not clear standard 2-door Wrangler JK models or non-Dirt Sport 4-door platforms.
Features
- Classic S-Type Acoustic Profile: Delivers a deep, loud, and throatier performance rumble under load with a highly controlled cabin presence
- High-Flow 2.5-Inch Performance Layout: Heavy-duty mandrel-bent performance piping throughout maximizes exhaust gas velocity and clearing capacity
- Optimized Ground Clearance: Tailored structural profile hugs the chassis cleanly to prevent trail impacts on rugged terrain
- Patented Multi-Core Tech: High-efficiency straight-through internal geometry completely removes restrictive factory flow boundaries
- Borla No-Drone Guarantee: Advanced acoustic engineering ensures an upgraded exterior note with absolute zero cab resonance or highway humming
- Constructed completely from premium-grade T-304 austenitic stainless steel for permanent structural integrity and ultimate rust resistance
- Premium Black Chrome Finish: Features high-end black chrome plating on a heavy-duty 3.5-inch x 3.28-inch square, rolled edge angle-cut tip
- True Bolt-On Architecture: Precision computer-numerical control (CNC) manufacturing ensures an accurate, line-to-line fitment
- Backed by Borla's unmatched, industry-leading written Million-Mile Warranty
Detailed Vehicle Fitment Breakdown
Compatible Model Years:
This performance exhaust system is compatible with the following individual model years under the specific chassis, transmission, and engine restrictions detailed below:
- 2012 Jeep Wrangler JKU Unlimited Dirt Sport 4-Door (3.6L V6)
- 2013 Jeep Wrangler JKU Unlimited Dirt Sport 4-Door (3.6L V6)
- 2014 Jeep Wrangler JKU Unlimited Dirt Sport 4-Door (3.6L V6)
- 2015 Jeep Wrangler JKU Unlimited Dirt Sport 4-Door (3.6L V6)
- 2016 Jeep Wrangler JKU Unlimited Dirt Sport 4-Door (3.6L V6)
- 2017 Jeep Wrangler JKU Unlimited Dirt Sport 4-Door (3.6L V6)
- 2018 Jeep Wrangler JKU Unlimited Dirt Sport 4-Door (3.6L V6 - JK Body Style Only)
Jeep Wrangler JKU Drivetrain & Chassis Compatibility Details:
Fits the 3.6L V6 vehicles listed above across these exact structural layouts:
- Engine: 3.6L Naturally Aspirated Pentastar V6 Gas
- Chassis Coverage: 4-Door Unlimited (JKU) Dirt Sport Models Only
- Drivetrain: 4-Wheel Drive (4WD) Configurations
- Transmission: Supported Automatic & Manual configurations
Important Application & Tip Care Notes:
- **Dirt Sport Wheelbase Only:** This part number is manufactured strictly for 4-door JKU Dirt Sport platforms. It does not fit standard configurations or 2-door JK variants.
- **Black Chrome Maintenance:** Using Borla Stainless Steel Polish (part number 21499) is strictly NOT recommended for these specialized black chrome finishes. We suggest cleaning the tips using only hot water and a soft microfiber cloth to keep the protective coating intact.
- **Premium Materials:** Built entirely with authentic T-304 stainless steel to deliver superior rust resistance over lower-grade T-400 series choices.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
