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Magnaflow Direct-Fit Catted Y-Pipe (04-06 4.0L Jeep Wrangler TJ)

Market Price $855.13 You Save 12% ($98.38)
Our Price

$756.75 (kit)

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  • Item J100800
  • MPN# 93649

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    Features & Details

    • Increases Exhaust Flow for More Power
    • Adds Aggressive Exhaust Note
    • Catted Y-Pipe Design
    • High Flow Catalytic Converters Included
    • 2.25" Mandrel-Bent Tubing
    • Stainless Steel Construction
    • 49 State Legal - EPA Legal
    • Designed for use with Factory Manifolds or Shorty Headers
    • Fits 2004-2006 4.0L TJ Wranglers
    Unleash Performance. Want an easy, effective way to bump up your Wrangler's power? How about some more torque? If so, this Magnaflow Direct-Fit Catted Y-Pipe is the perfect mid-pipe solution for bolt-on performance. By removing the restrictive OEM catalytic converters and replacing them with Magnaflow's Federal catalytic converters you will see an increase in both power and performance. This Magnaflow Y-pipe is designed to be used with either your Wrangler's factory manifolds or aftermarket shorty headers.

    Adds Some Extra Sound. The free flowing design of this Magnaflow Y-pipe will not only increase the power of your Wrangler, but it will also add a crisp note to the sound of your exhaust with its "Y" crossover pipe. You'll notice a little bit more aggression at idle and throughout the entire power band.

    High Flow Cats. Magnaflow's Federal catalytic converters are designed to outperform the restrictive factory cats. The included high flow catalytic converters use Ceramic substrates with different combinations of cell density and wall thickness to provide a significant improvement in exhaust flow for a measured increase in rear wheel horsepower and torque. Magnaflow Federal catalytic converters meet EPA requirements making them 49 state legal. Federal Catalytic Converters are not legal for sale, installation or use on vehicles registered in the state of California.

    Magnaflow High Flow Construction. Magnaflow uses 2.25" mandrel bent stainless steel tubing that has a consistent diameter throughout the length of the pipe, even at the bends to provide excellent exhaust flow that results in more power at the rear wheels.

    Application. This Magnaflow Direct-Fit Catted Y-Pipe is designed to fit 2004-2006 Wrangler TJ models equipped with the 4.0L engine and either aftermarket shorty headers or the stock manifolds installed.

    Note: Coupon codes cannot be applied to this product.

    Fitment: 2004 2005 2006 Details

    CA Residents: Warning: California's Proposition 65

    What's in the Box
    • (1) Y-Pipe with Catalytic Converters
    • (1) Exhaust Pipe
    • (1) Clamp
    Installation Info
    Tech Specs
    Mid Pipe Specifications
    Style Mid Pipe: Y-Pipe Type Headers Required: Shorty or Stock Manifolds
    Piping Material: Stainless Steel Piping Size: 2.25"
    Catalytic Converter: "Yes" Fitment: 2004-2006 4.0L TJ
    Will it fit my Wrangler?

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    Questions & Answers (6)

    5 Top Rated Questions

    Is this legal in California ?

    • Hello! The Magnaflow Direct-Fit Catted Y-Pipe is not carb legal.

    Helpful (1)

    Hello, I have a 2002 Jeep Wrangler TJ 4.0l, would this fit? Thank you

    • Yes, this will fit 4.0L Jeep TJ's from 2000-2004.

    Helpful (0)

    Is this a just the front cats or front and back?

    • This includes front and rear cats.

    Helpful (0)

    I sent a question last week before the Holiday and still no reply. My question was and is, is this picture and accurate representation of the pipes and converters? I ask because I have a 2003 Jeep yet my exhaust looks exactly like this one, it does not look like the exhaust that is "supposed" to be for a 2003 Jeep TJ. I definitely have a full catalytic converter, the hanger shown, the two pre-cats just like this. Had you heard of any other 2003 TJ using a 2004 exhaust? Anyway if this picture is accurate, this appears to be the setup I should be purchasing and not the 2003 setup.

    • This product photograph of the catted Y pipe will indeed be accurate and representative of the pipes and converters. This will however only fit for 04-06 TJ ranglers equipped with the 4.0L Engine and either aftermarket shorty headers or the stock manifolds intact and would not work on a 2003.

    Helpful (0)

    I have a 2003 Wrangler TJ Sahara but this 2004 and later mid-pipe with 2 pre-cats and rear full catalytic converter looks exactly like what is on my 2003 Jeep. Are you certain the picture on your site is an accurate reflection of the product and have you heard/seen other 2003 TJs that actually have a 2004 set up? I guarantee my exhaust has the full cat just like is in this pick before it connects to the rear pipe. It definitely does not look like the 2003 product pics where there is no large cat. I want to make sure I get the correct kit and the 2003 pics do not match what is on my Jeep but the 2004 product pics looks exactly the same as what is on my 2003 TJ.

    • Yes, this Magnaflow Direct-Fit Catted Y-Pipe is specially made for the '04-'06 TJ 4.0L. I would recommend verifying that your Jeep is VIN'd as an '03 and not an '04 produced in 2003.

    Helpful (0)
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    1 More Question

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    Customer Reviews (5) Write a Review

    Overall Rating 3

    out of 5 stars

    Installation Time:Afternoon

    • Exhaust Note 4.8 4.8
    • Fit & Finish 4 4
    • Bang For Your Buck 4.2 4.2

    • 1/5

      Installation Time: Full Day

      August 14, 2018

      Review from Magnaflow Direct-Fit Catted Mid Pipe (00-03 4.0L Jeep Wrangler TJ)

      Be patient!

      It took 4 weeks to arrive, and then required welding to attach to the catalytic convertor (how is that direct fit????) It looks like the 03 Rubicon uses the 04 TJ exhaust -- I wish I knew that before hand. Otherwise it is as advertised.


      Year: 2003Submodel: Rubicon

      Helpful (3)

    • 4/5

      Installation Time: Less than 1 Hour

      May 02, 2018


      Very easy to install with no problems from this product


      Year: 2004Submodel: Rubicon

      Helpful (2)

    • 5/5

      Installation Time: Afternoon

      December 10, 2017

      Review from Magnaflow Direct-Fit Catted Mid Pipe (00-03 4.0L Jeep Wrangler TJ)

      Great replacement.

      Great replacement, good fit. Sounds great with added cat back exhaust. Not real load but nice sounding. Install was easy enough though removing the old exhaust was a bit of a pain.


      Year: 2001Submodel: Wrangler

      Helpful (4)

    • 1/5

      Installation Time: Weekend

      May 28, 2017

      Review from Magnaflow Direct-Fit Catted Mid Pipe (00-03 4.0L Jeep Wrangler TJ)

      Terrible Product

      This product did not fit even close to the oem part. Every time I go over a bump the front drive shaft hits the exhaust. I have been attempting to correct this issue to nearly a year and still do not have it fixed. Consequently, I have not drove my wrangler in six months. Terrible product with terrible fitment.


      Year: 2003Submodel: Wrangler

      Helpful (7)

    • 4/5

      Installation Time: Less than 1 Hour

      April 02, 2017

      Nice fit

      Great fit giving plenty of clearance while raising the down pipe up a couple of inches. My only concern is that a magnet sticks to this stainless steel like crazy.


      Year: 2005Submodel: Wrangler

      Helpful (4)

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