Borla Cat-Back Exhaust System 2-1/2" Climber S-Type With Y-Pipe 4-Door Jeep Wrangler JK 2012-2018



  • Moderate Exhaust Tone
  • Stainless Steel Construction
  • Stainless Steel Tip
  • Increases Exhaust Flow
MSRP $914.99
You save 11%

Borla 2-1/2" S-Type Climber Cat-Back Exhaust System with a Y-Pipe for 2012, 2013, 2014, 2015, 2016, 2017 and 2018 4-Door Jeep JK Wranglers.

This 2-1/2" S-Type Climber Cat-Back Exhaust System with a Y-Pipe from Borla will upgrade your 2012-2018 4-Door Jeep Wrangler JK and get it off-road ready! It's made from premium 300-series stainless steel and features a high clearance design.

Features and Benefits of the Borla 2-1/2" S-Type Climber Cat-Back Exhaust System with a Y-Pipe (140634):
- Crafted from premium 300-series stainless steel
- Ultra-smooth mandrel bends
- High clearance design for off-road applications
- Borla's Y-pipe eliminates factory loop
- Relocates muffler to free up space
- Enhances airflow
- Increases horsepower
- Adds improved exhaust sound

Borla's Climber cat-back exhaust system has a unique design to provide additional clearance for off-roading adventures. The Climber will relocate the muffler from its original location at the back of your Wrangler just before the over axle pipe. This will free up space at the rear of your JK to mount additional equipment. This kit includes Borla's high clearance Y-pipe. This Y-pipe will eliminate the factory loop found on your 2012-2018 Wrangler.

The S-Type muffler provides just the right blend of packing filament, straight through core dimensions, core perforation pattern and cylindrical shape to deliver the intoxicating Borla sound of power with every squeeze of the throttle!

*This cat-back exhaust kit is for 2012-2018 3.6L 4-Door JK Wranglers ONLY.

Borla 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 Sound of Power respected by motoring enthusiasts everywhere.

Order Borla's 140634 2-1/2" S-Type Climber Cat-Back Exhaust System with a Y-Pipe for your 2012, 2013, 2014, 2015, 2016, 2017 or 2018 4-Door Jeep JK Wrangler from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Installation Difficulty


Novice skill is required for this installation.

Installation Videos

Video Transcript

Every Jeep owner loves going off-roading and wants their Jeep to sound great, but the factory exhaust is big, restrictive, and can have clearance issues with lift kits and when going off road. Today, we're going to give our Jeep more clearance and better sound and performance by installing this Borla S-Climber Cat-Back and Y-pipe kit. This Borla Cat-Back Y-pipe kit is made of mandrel-bent stainless steel tubing. It features a loop delete pipe, relocated Y-pipe, and a cat-back exhaust with a high-flow muffler and a high-tuck tailpipe for better sound and clearance. It comes with everything you need for an easy installation, so today we're going to install it on our 2016 Jeep Wrangler. Tools you'll need for this installation: 3/8 ratchet, 13 mm socket, 1/2 inch ratchet, 15 mm socket, 18 mm socket, 15 mm wrench, 17 mm wrench, an exhaust hanger removal tool, tape measure, marker, Sawzall, and safety glasses.

We've got the Jeep up in the air. The very first thing we're going to do is mark the loop pipe where it needs to be cut. We're not going to disconnect it from anything yet; all we're going to do is make the cut and then we'll disconnect it. Here is the loop pipe. As you can see, it's big and it can get in the way, so how we're going to get rid of this, we're going to cut it out. Make a mark, cut it out, and then put in our new section. Grab yourself a tape measure and measure from the weld on the catalytic converter to 2 inches. Put a mark right there at 2 inches behind the weld on the catalytic converter, and that's where you're going to make your cut. That's where we have to make our cut. Before we remove any of the bolts, especially right here on the Y-pipe, we're going to spray them with some penetrating lubricant. They're pretty corroded and we want to make it a little bit easier on ourselves. Give those a couple minutes to soak in, and then you can try to break them free. After you've let them soak with penetrating lubricant, you can break them loose. All right, remove the second bolt on the loop pipe and then remove the loop pipe itself.

So, we have the loop pipe removed. Now we need to remove the entire exhaust. We're going to start by getting these cross members out of the way. We're going to remove this bolt and this bolt, loosen this one, loosen this one, loosen this one, then remove these two. Then, all the cross members will be out of the way and we can completely remove the exhaust. Remove the two 13 mm bolts on the flange on the passenger's side of the Y-pipe. Loosen the clamp connecting the cat-back to the Y-pipe. You're going to want to use a 15 mm ratcheting wrench for this. It can be pretty tight and there's not much clearance, so a ratcheting wrench really will help out with this. Remove the Y-pipe just by pulling it forward. Remove the clamp connecting the over axle pipe to the muffler. Remove the muffler from all the hangers. Remove the resonator pipe from the rubber hangers.

With the factory system out of the way, we can now install our new Borla system. We're going to start from the front with the loop delete pipe and then work our way back. Install the Y-pipe and bolt it to the loop delete pipe with the provided hardware. Place the clamp over the Y-pipe, then install the passenger part of the Y-pipe. Use the provided hardware to bolt the flange to the catalytic converter. Remove the hanger from the mount, put a clamp on the Y-pipe, install the hanger onto the muffler, get the rubber hanger in place. Finally, install a clamp onto the tailpipe, then install the tailpipe into the rubber hanger and into the muffler. Now, you can go back and tighten all the clamps and bolts. Tighten everything; start at the front, then work your way back. Tighten the flange at the Y-pipe and loop pipe with a 16 and 17 mm wrench. Reinstall both cross members, and your installation is finished.

As you'll notice, the Borla Y-pipe is placed much further back, right here at ... the factory Y-pipe was up here, much closer to the drive shaft. Now, it's moved further back, there's more clearance, and it's also protected by the skid plate. Our Borla S-Climber Cat- Back and Y-pipe kit is installed. We deleted to the loop pipe, moved the Y-pipe further back, and tucked this tailpipe up nice and high for better clearance. Sounds a lot better than factory, too. Installation, honestly, isn't that bad. It should only take about two maybe two and a half hours. Just make sure you measure twice and cut once. Before you know it, you'll be heading off road.

Vehicle Fitment

This product will fit the following Wrangler years:

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