Borla 140634 High-Clearance Climber Cat-Back Exhaust System for 2012-2018 Jeep Wrangler JKU 3.6L V6

Borla(r) high clearance Climber system. Confirmed on Sport & Rubicon models. High clearance Cat-Back(tm) system tucks above frame rails. Removes rear-most factory muffler, increasing departure angle and frees up room for accessories. Cross-over pipe fitment & location allows Borla(r) Climber exhaust system to fit a wide variety of suspension & armor upgrades. Loop delete Y-pipe provides more space underneath your Wrangler JKU, keeps factory catalytic converters to remain EPA/CARB emissions legal, and keeps your Jeep factory warranty intact. Installation requires cutting the Original Equipment system. Cut on driver-side pipe required, rest is bolt-on installation. No welding required. Classic S-Type sound under acceleration with no drone at highway speeds. Features a 2.5" brushed T-304 stainless steel turn down pipe. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology 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 austenitic 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 numerical control (CNC) manufacturing ensures an accurate fit. Best of all, it is backed by Borla(r)'s ATAK(r) Cat-Back(tm) Exhaust System 2015-2021 Jeep Grand Cherokee SRT 6.4L V8 Automatic Transmission All Wheel Drive 4 Door. High Clearance Climber System. Million Mile Warranty 2012-2018 Jeep Wrangler JKU 3.6L V6, Automatic/ Manual Transmission 2 & 4 Wheel Drive 4 Door. High Clearance Climber System.

• Includes a Loop delete Y-pipe that provides more space underneath your Wrangler JKU
• Installation requires cutting the Original Equipment system
• See below for additional Product Features & Benefits
• High clearance Climber design
• Fits JKU models

Upgrade your 2012-2018 Jeep Wrangler JKU 3.6L V6 with the Borla 140634 High-Clearance Climber Cat-Back Exhaust System. Designed for two- and four-wheel-drive, two- and four-door JKU models with automatic or manual transmissions, this system tucks above the frame rails to improve underbody clearance and departure angle. It removes the rearmost factory muffler while creating additional room for suspension, armor, and other off-road accessories.

The included loop-delete Y-pipe provides extra space beneath the Wrangler while allowing the factory catalytic converters to remain in place. The high-clearance crossover design supports compatibility with a wide range of suspension and armor upgrades. Built from premium T-304 austenitic stainless steel, the Borla 140634 delivers excellent corrosion resistance, long-term durability, and consistent performance. Mandrel-bent tubing and CNC manufacturing help maintain smooth exhaust flow and promote accurate fitment.

This exhaust system produces Borla’s classic S-Type sound under acceleration without excessive highway drone. Straight-through, multi-core technology increases exhaust velocity for responsive performance and the signature Borla Sound of Power. Installation requires cutting the original equipment exhaust at the driver-side pipe, while the remaining installation is bolt-on and requires no welding. The system includes a 2.5-inch brushed T-304 stainless steel turndown pipe and is backed by Borla’s Million Mile Warranty. Verify vehicle fitment and applicable emissions requirements before installation; CARB acknowledgment may be required.

• Fits 2012-2018 Jeep Wrangler JKU 3.6L V6 models
• High-clearance Climber configuration for off-road use
• Compatible with automatic or manual transmissions
• Designed for two- and four-wheel-drive, two- and four-door models
• Factory catalytic converters remain in place

Features:

• High-clearance Climber design positions the exhaust above the frame rails to improve departure angle and underbody clearance.
• Loop-delete Y-pipe creates additional space for suspension systems, skid plates, armor, and other off-road upgrades.
• Premium T-304 stainless-steel construction provides strong corrosion resistance and long-term durability.
• Classic S-Type sound delivers a deep performance tone under acceleration with minimal highway drone.
• Straight-through, multi-core technology promotes increased exhaust velocity and responsive engine performance.
• Mandrel-bent tubing and CNC manufacturing support smooth flow and precise fitment.
• 2.5-inch brushed stainless-steel turndown pipe provides a durable, clean finishing detail.
• Bolt-on installation requires no welding, although cutting the original equipment system is required.

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