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Flowmaster Direct-Fit Catalytic Converter (93-95 Jeep Wrangler YJ w/ 2.5L or 4.0L)
Features & Details
- Helps Control Vehicle Emissions
- 3-Way Style
- With Heat Shield
- Stainless Steel Construction
- Mandrel-Bent Tubing
- Ceramic Honeycomb Substrate
- Easy Bolt-On Installation
- Fits 93-95 Jeep Wrangler YJ Models with a 2.5L or 4.0L Engine
Features. The Flowmaster Direct-Fit Catalytic Converter replaces your vehicle's existing old or damaged catalytic converter. It converts toxic pollutants into exhaust gas for controlling vehicle emissions.
Construction. This 3-way catalytic converter is constructed from durable stainless steel and features mandrel-bent tubing. It is made in the USA. This catalytic converter meets or exceeds USEPA 49-state requirements. It features a 2.250-inch inlet diameter and outlet diameter.
Application. This Flowmaster catalytic converter is designed for 93-95 Jeep Wrangler YJ models with a 2.5L or 4.0L engine.
Construction. This 3-way catalytic converter is constructed from durable stainless steel and features mandrel-bent tubing. It is made in the USA. This catalytic converter meets or exceeds USEPA 49-state requirements. It features a 2.250-inch inlet diameter and outlet diameter.
Application. This Flowmaster catalytic converter is designed for 93-95 Jeep Wrangler YJ models with a 2.5L or 4.0L engine.
Fitment: 1993 1994 1995 Details
CA Residents: 
Warning: California's Proposition 65
- Tech Specs
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- Will it fit my Wrangler?
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- YJ Wrangler 2 Door - 93, 94, 95
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Questions & Answers (17)
5 Top Rated Questions
is this legal in california?
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The Flowmaster Direct-Fit Catalytic Converter has not yet been tested or approved by the California Air Resource Board (CARB) meaning this is not legal for use upon highway in the state of California.
Does this come with instructions?
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These will indeed come with install instructions.
Will this fit a 1994 4.0L? Your website says it will I would just like to double check.
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Yes, this catalytic converter will work with 93-95 Jeep Wrangler YJ models with a 2.5L or 4.0L engine, including your 94 4.0L.
Will this fit my 1997 Jeep Wrangler sport with a 4.0 engine ? The video doesn’t mention 4.0 just 2.5
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No, this Flowmaster Direct-Fit Catalytic Converter is just for the 97-98 Jeep Wrangler TJ models with a 2.5L engine. Magnaflow does offer an option for the 4.0 which can be found here: https://www.extremeterrain.com/magnaflow-catalytic-converter-tj-23227.html.
A reviewer said the hangar to attach the cat to the trans mount isn't included...photos show it attached. Which is correct?
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Thank you for your question! The Flowmaster Direct-Fit Catalytic Converter is designed to come with a hanger on the catalytic converter.
10 More Questions
- will this catalytic converter when installed to a stock 1998 jeep wrangler tj pass smog? 1 answer
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The Flowmaster Direct-Fit Catalytic Converter is (Non CARB compliant), so it may not pass your state SMOG test.
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- Does this come with the midpipe that attached to the manifold.. I have tried to cross reference this part eleseware and it only comes up for Cherokee applications.. will this fit my 99 wrangler tj sport 4.0 inline 6 1 answer
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Thank you for your question! This will fit the 99 4.0L TJ, but this is a direct catalytic converter replacement and does not come with the mid-pipe.
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- Do I need to purchase an o2 sensor with this product? 1 answer
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Hi! You do not need an O2 sensor when purchasing the Flowmaster Direct-Fit Catalytic Converter. You would reuse your stock O2 sensor.
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- do you know why this is only for the 97-98 model year? the 97-2000 model year 2.5L have the same part number on the individual parts. is there a similar product for the 99 tj with a 2.5L? 1 answer
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The Flowmaster Direct-Fit Catalytic Converter is not designed for the 1999+ Wranglers. Since this is CARB compliant, it may be related to the CARB approval, or there may be a minor design difference Flowmaster made that does not allow fitment on 1999 and newer Wranglers. This has not been tested on a 1999+ by ExtremeTerrain.
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- I am wanting to replace my exhaust from the header back. Does this piece run from the stock header to where a cat-back system would begin? 1 answer
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The Flowmaster Direct-Fit Catalytic Converter will attach to the header flange and run back to where the catback installs.
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- WHAT IS THE EXACT LENGTH OF THIS CATALYTIC CONVERTER?? THANK YOU JOHN 1 answer
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Thank you for your question John! This Flowmaster Direct Fit Catalytic Converter is 26" in length.
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- Is this catalytic converter California approved? 1 answer
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Hello, unfortunately this Catalytic Converter is Not for sale or use in California.
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- Will this fit a 1997 wrangler with a 2.5L 4 cylinder? 1 answer
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Hello, yes, this will fit your 1997 Wrangler with the 2.5L 4 Cylinder.
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- Will this bolt up to a pace setter header or do i have to cut and weld the pace setter downfall pipe to the cat pipe? 1 answer
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Hello, this has an OEM fit, so if the system you have now didn't require any modifications, this should bolt right up.
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- My jeep is a 1999 Se Sport . The vin number indicates a 2000 model wrangler however the production sticker in the door indicates a 1999 model with a 2.5l engine will this product fit 1 answer
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Unfortunately the Flowmaster Direct-Fit Catalytic Converter (97-98 Wrangler TJ w/ 2.5L) will only fit Wranglers produced from 1997-1998 with the 2.5L.
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Customer Reviews (26) Write a Review
Overall Rating
out of 5 stars
Installation Time:Afternoon
Installation Cost:$100-$250
no one in the world ever gets what they want, and that is beautiful
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5/5
Installation Time: Less than 1 Hour
July 18, 2018
Great product - easy to install on 94 Wrangler
Good product that was easy to install on my 1994 Jeep Wrangler.
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5/5
Installation Time: Afternoon
June 27, 2018
Review from Flowmaster Direct-Fit Catalytic Converter (97-98 2.5L Jeep Wrangler TJ)
My Purchase Of Product
This product fit and finish was amazing along with the exhaust and tail pipe easy to install. I would recommend this product to any one.
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5/5
Installation Time: Afternoon
June 13, 2018
Review from Flowmaster Direct-Fit Catalytic Converter (97-98 2.5L Jeep Wrangler TJ)
FlowMaster exhaust
Very easy to install came with all the hardware you need except for the clamp from cat to muffler. Everything lined up perfectly. And the price was pretty good!! I would recomend this to anyone needing new manifold back to muffler!
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5/5
June 07, 2018
Quietented 2.5 no cat exhaust
I have bad ears, and the no cat exhaust actually hurt my ears. This converter made it MUCH better.
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5/5
Installation Time: Afternoon
May 05, 2018
Perfect fit
Installed with no problems no more rattling very happy
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5/5
Installation Time: Full Day
March 29, 2018
Perfect fit
Old cat and muffler were shot so I decided to replace the whole exhaust with the flowmaster products and they all fit together like a glove. The pipe going into the muffler was a bit long and required some cutting but nothing major. Not sure how easy installation would be if you're just replacing the cat, but cutting the old exhaust out and sliding a whole new one in was a breeze. Overall a very simple upgrade that makes the world of a difference.
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5/5
Installation Time: Less than 1 Hour
February 18, 2018
Review from Flowmaster Direct-Fit Catalytic Converter (00-03 2.5L or 4.0L Jeep Wrangler TJ)
Worked like a charm!!
It bolted up with no problems whatsoever. The catalytic converter has a hole in it if you need the sensor, all you need to do is unscrew the plug. If you don’t the sensor its plugged. Very pleased with the catalytic converter would get it again.
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5/5
Installation Time: Afternoon
February 03, 2018
Review from Flowmaster Direct-Fit Catalytic Converter (97-98 2.5L Jeep Wrangler TJ)
Great quality perfect fit worth the money
Perfect fit really easy to install. Woulda been easier with 2 people but I did it by myself in a few hours
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5/5
Installation Time: Less than 1 Hour
January 11, 2018
Review from Flowmaster Direct-Fit Catalytic Converter (03-06 4.0L Jeep Wrangler TJ)
Good Buy
Great fit and easy to install. Took more time to cut the old cat off.
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5/5
Installation Time: Shop Install
Installation Cost: 0-$100
December 05, 2017
Feeling the Flow
The Flowmaster CAT with mid-pipe was a great addition to my recently installed brand new exhaust system for my 95 Jeep Wrangler YJ. The CAT has fantastic flow and feel, and the overall performance and power is much improved over the stock system. The shop installer stated it fit like a glove when they connected it to the Flowmaster II Cat Back Exhaust kit! I would highly recommend to all YJ owners looking for an affordable solid mod upgrade or replacement of your stock system.
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5/5
Installation Time: Afternoon
October 18, 2017
Review from Flowmaster Direct-Fit Catalytic Converter (03-06 4.0L Jeep Wrangler TJ)
Good replacement and upgrade
I am fixing up a 2006 LJ and the stock exhaust is one piece from header all the way back to muffler. The rear cat is part of that long pipe. This part is a great replacement, especially if you have one piece stock. Now you can get in and work on the transfer case or replace the muffler, without having to go all the way up to the header. Also, this is slightly longer than some other cat replacements, so that helps with the amount you get to cut off. Measure first, and leave yourself enough to possibly trim again. I cut too close and had to run to auto parts store for a 2 inch filler piece. It looks nice once you get it on there and greatly simplifies a new muffler or just working under the skid plate area. I replaced the muffler (after cutting that off at the joint as well) so I am not sure how the sound is changed just by this. Overall it does seem to run smoother now.
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2/5
Installation Time: Afternoon
August 26, 2017
Review from Flowmaster Direct-Fit Catalytic Converter (97-98 2.5L Jeep Wrangler TJ)
Not what I would expect
Opened up when it arrived all looked good until I went to put it together. The cat pipe and the exhaust pipe would not go together. I had to take it to a exhaust shop and have the bell on the cat pipe enlarged to fit the exhaust pipe. Not what I'd expect from flowmaster. So to sum it up what should have been a breeze to assemble in my book was a genuine paint in the but.
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5/5
Installation Time: Afternoon
August 22, 2017
Review from Flowmaster Direct-Fit Catalytic Converter (97-00 2.5L or 4.0L Jeep Wrangler TJ)
Perfect
Why did I shop around so much locally for generic cats when this was right here for a lower price, and the perfect fit. Check you later, check engine light!
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3/5
Installation Time: Weekend
April 26, 2017
Review from Flowmaster Direct-Fit Catalytic Converter (97-98 2.5L Jeep Wrangler TJ)
Not a day job for ALL setups.
Be prepared that there will, as with all Jeeps, be some hiccups. Once i stopped cursing at the previous owners botch job, the parts all assembled with relative ease. And, i do love most Flowmaster products for the ease of install. This is one exception, being a heavy duty part for a lifetime of use.... the flange clamp to attach the down pipe to the exhaust manifold is THICK by comparison to the stock. The piping itself is also thicker. Thus the quandary, the stock manifold bolts are 1/2" too short at least. Be prepared for it.
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5/5
Installation Time: Afternoon
April 25, 2017
Review from Flowmaster Direct-Fit Catalytic Converter (97-98 2.5L Jeep Wrangler TJ)
Nice converter
When I got my jeep someone straight piped it and it was missing the cat so i got this and the banks monster cat back. Really easy install. Really hard getting the old pipe off. It sounds great though.
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3/5
Installation Time: Shop Install
Installation Cost: $100-$250
January 24, 2017
Review from Flowmaster Direct-Fit Catalytic Converter (97-98 2.5L Jeep Wrangler TJ)
Bad Fit
I had this part put on at a muffler shop. The tech told me that the part did not fit right. The piece which had the catalytic converter on it was to short. The piece which came off the exhaust manifold needed to be modified some.
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5/5
Installation Time: Shop Install
Installation Cost: 0-$100
September 15, 2016
Review from Flowmaster Direct-Fit Catalytic Converter (97-00 2.5L or 4.0L Jeep Wrangler TJ)
Works well
Mechanic said it was an easy install and is better than the stock one(my stock cat was falling apart)
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5/5
September 06, 2016
Review from Flowmaster Direct-Fit Catalytic Converter (97-98 2.5L Jeep Wrangler TJ)
Jeep wrangler engine pipe to cat
Great quality and fit perfect very easy to install.took me longer to gather all my tools and creeper than it was to install in my jeep
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5/5
Installation Time: Afternoon
August 16, 2016
Review from Flowmaster Direct-Fit Catalytic Converter (97-00 2.5L or 4.0L Jeep Wrangler TJ)
Great product!
Great product and pretty easy installation. "Dad installed it" lol
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3/5
Installation Time: Afternoon
August 14, 2016
Review from Flowmaster Direct-Fit Catalytic Converter (97-98 2.5L Jeep Wrangler TJ)
Nice replacement part
I would give this part a higher rating but the down pipe flange s to think and will not fit with the bolt already in the exhaust manifold. It does come with longer bolts but they are impossible to replace without removing the manifold from the vehicle.
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I have owned YJ’s and TJ’s in the past. After not owning one for several years I got the bug again and decided to go buy one. On a whim I saw this one and went to the dealership on the same day while my wife was at work and came home with it. She was a little bit surprised (mad) to see the Jeep in t...
I have owned YJ’s and TJ’s in the past. After not owning one for several years I got the bug again and decided to go buy one. On a whim I saw this one and went to the dealership on the same day while my wife was at work and came home with it. She was a little bit surprised (mad) to see the Jeep in t...
