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Pypes True Dual Catted Exhaust with Turndown Tips (98-04 V6)

Item 20113
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      Review & Installation Video

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • True Dual Exhaust for a V6
      • Includes Catted X-Pipe and Cat-Back
      • Increases of 10 to 20 Horsepower
      • 2.5" 409 Stainless Steel Tubing
      • 2.5" Turn Down Tips
      • Fits 1998 to 2004 V6 Mustangs


      Increase In Performance. Bolting on a Pypes V6 True Dual Exhaust Kit to a stock 1998 to 2004 V6 will yield an increase of 10 to 20 more horsepower! This Pypes V6 True Dual Exhaust Kit includes both the Catted X-Pipe and Cat-Back needed to give your Mustang an impressive throaty V8 sound and increase in rear wheel horsepower.

      Turndown Tips. The Pypes V6 True Dual Exhaust Conversion kit is designed with tips that turn down under the rear bumper, similar to the 1987 to 1993 GT, so no cutting or modifications are required to the stock V6 rear bumper cover.

      Catted X-Pipe design. This Pypes catted x-pipe balances out the gas pressures in your exhaust system to create more power and torque than the factory Y-pipe. Why? Because the exiting exhaust pulses are merged at the "X", resulting in less exhaust back pressure for more power. Pypes High Flow Catalytic Converters are included.

      Quality Materials. Both the Catted X-Pipe and Cat-Back are constructed from mandrel bent 2.5" 409 stainless steel. The X-Pipe features welded reinforcement plates for additional strength and the Dual Cat-Back features Pypes Street-Pro 3-chamber mufflers for an aggressive throaty sound.

      Application. This Pypes V6 True Dual Exhaust Kit is specifically designed to fit on any 1998 to 2004 3.8L or 3.9L V6 Mustang for more power and a more aggressive sound.

      Please Note. May require O2 extensions for proper fitment.

      Fitment: 1998 1999 2000 2001 2002 2003 2004 Details

      Pypes SFM53

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (25)

      Write a Review

      Ratings Summary

      4.0 out of 5 overall rating from 25 customers

      Installation Time: Weekend

      Installation Cost: $250-$500

      • April 25, 2020

        5 2003 V6 - Marty Installation Time: Full Day

        New Exhaust

        The system was installed in a back yard with jack stands. It was fairly easy to follwo the instalation instaructions The bolts that attached the systemm to the headers was a bit tricky to put together and tighten the bolts. Overall the system went in as expected and sounds good but not crazy loud. Performance is definatly better on this little pony that as originally designed had trouble getting out of it's own way.

        Helpful (3)
      • March 29, 2020

        5 2003 V6 - KyleA Installation Time: Afternoon

        DONT HESITATE!!!!!

        Just installed on the 03 v6 and MAN LET ME TELL YOU!!!! I was hesitant to drop $900 (after TN tax) on an exhaust but it no way shape or form was I disappointed. It’s not annoyingly loud when driving but ROARS when you want it to. ITS LIKE MY PONY HAS BEEN SUFFOCATING ITS ENTIRE LIF BUT NOW SHE CAN BREATHE!!!! Immediately notice more torque, shifts WAY BETTER (automatic) and my throttle response is wonderful. Only other mod I have is a cold air intake. BUY THIS NOW. Shop only charged me $175 for the install too.

        Helpful (4)
      • February 06, 2020

        5 2000 V6 - DonHoe Installation Time: Afternoon


        These pipes sound great. Deep when you get on the gas but very quiet when idling. I put them on without cutting. It was a little bit of a pain that the x pipe isn't marked left and right but it was worth the sound and power. It's sit of the pants but it feels great to me.

        Helpful (6)
      • January 20, 2020

        4 2001 V6 - Noctecurzor Installation Time: Full Day

        Good but

        Sounds beautiful I love it but my only issue is my mufflers are scraping whenever I go over any bump in the road and I haven't even lower the car yet I think I might have to take the mufflers out and just keep it straight pipe

        Helpful (3)
      • December 02, 2019

        4 1998 V6 - DanielF Installation Time: Afternoon

        Nice sound

        The mufflers with it are not loud at idle but open up at higher rpms. Which what I was after they also have a nice deep tone for a v6 not that bumblebee sound from most others. The install takes a little time to get right. I have a 98 and the crossmember wanted to hit. Had a issue with one of the cats but American muscle was excellent with helping my and no problems on there end.

        Helpful (6)
      • November 28, 2019

        Review shared from Pypes Street Pro True Dual Cat-Back Exhaust w/ Turn Down Tips (98-04 V6)

        5 2000 V6 - 2000v6truedual Installation Time: Afternoon

        Pypes true dual v6 exhaust

        Perfect fit excellent sound awesome performance a little tricky to align but with patient can be done

        Helpful (3)
      • June 04, 2019

        Review shared from Pypes Street Pro True Dual Cat-Back Exhaust w/ Turn Down Tips (98-04 V6)

        5 2004 V6 - Kz2500 Installation Time: Shop Install


        Loud and perfect. This exhaust is the best I've ever had! Super clean looking too

        Helpful (4)
      • May 24, 2018

        4 2003 V6 - Bgreen1967 Installation Time: Afternoon

        Nice sound

        Awesome sound. Pretty straight forward but still not an easy install.

        Helpful (9)
      • December 19, 2017

        5 2003 V6 - DonaldG Installation Time: Shop Install Installation Cost: 0-$100

        Mustang Don

        Nice conversion, good sound , my 18 year son loves it!

        Helpful (11)
      • July 31, 2017

        4 1999 V6 - MarkC Installation Time: Weekend

        Great sound!

        What everyone is saying about the fitment is true, but I don't really see how it can be made any better since not all cars are going to be exactly the same. I did this job in my garage with jackstands, and it was pretty difficult. More space under the car would've made a world of difference. If you can afford the labor, let a shop do the install. I do also agree with others that the instructions could be a bit more specific. Over all, I do love the sound and the turndown tips look great peeking out from under the bumper!

        Helpful (11)

      Questions & Answers (26 answers)

      5 Top Rated Questions

      Is this exhuast legal in California

      • The Pypes True Dual Catted Exhaust has not been tested or approved by the California Air Resource Board meaning this is not legal for use upon highway in the state of California.

      Helpful (4)

      will this fit a 95 v6

      • This particular exhaust will not fit properly on your 1995 V6. I've attached a Flowmaster Dual Exhaust Kit below that will fit properly though if you want to check it out! I've also attached the PaceSetter Dual Exhaust adapter, that you can use in combination with any 1994-1998 GT catback of your choice. Hope this helps!

      Helpful (4)

      What's the max decibels on the exhaust? Because in Colorado the max is 60 in commercial and 55 in residential so I really need a answer! Please let me know!

      • Unfortunately we do not have a decibel rating on any of our exhausts as this can be effected by a number of factors. The Pypes True Dual Catted Exhaust and all the exhausts we sell will likely far exceed 55 or 60 decibels, as this is around or under the volume of a stock Mustang's exhaust at wide open throttle.

      Helpful (2)

      In the video it says you have to cut 8 1/2 inches off both down pipes. Is this correct?

      • If the factory system is still installed, you will have to cut that. No cutting of the Pypes system is required.

      Helpful (1)

      Do I need a remap after installing this kit?

      • Installing this kit does not requireany tuning to be used effectiviely. 

      Helpful (1)
      10 More Questions
      Getting ready to install this system this weekend and I have never done this before, so excuse my ignorance, but there are two flanged pieces of pipe about 3 inches long. I'm not sure if I need them or not. The box with the X pipe and down tubes had two of these, and the box with the mufflers and tailpipes also has two of them. I don't see them mentioned in any of the instructions. Thanks. Looking forward to doing this this weekend, and want to do it right! 1 answer
      Got a 1999 V6 coupe and stock everything, want to gut the whole exhaust, first of all, will this fit with the BBK ceramic shorty headers? Second, how much bending, and modification will I have to do? Trying to do it myself 1 answer
      Is it legal in Cali to use this kit if I do not straight pipe it? I would use mufflers instead. 0 answer
      Can you add exhaust tips to this by cutting the turn down tips 1 answer
      Normally do you have to cut 8 1/2 inches on the pypes 0 answer
      Normally do you have to cute 8 1/2 inches on the pypes 0 answer
      What would tell you if you have to cut 8 1/2 inches off or not 0 answer
      Can Mac long tube headers connect to the x pipe of this exhaust? 1 answer
      I have 02 mustang convertible with dual headers single tail pipe. Will this fit that? Also I currently have the OEM which I am replacing and it has 4 catalytic converters and with this kit it is replacing alll four with 2. Is this setup going cause me to tail an emissions? Also I am wondering if this set up is legal in Virginia. 0 answer
      Will this fit the stock 1998 mustang 3.8 v6 headers? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) X-pipe
      • (2) Mufflers
      • (2) Tailpipes
      • (2) Flow Tubes
      • (2) Flow Tube Flanges
      • (2) High-Flow Ceramic Cats
      • (4) Clamps
      • Bolt Kit
      • Hanger Kit

      Tech Specs

      Cat-Back Exhaust Specifications
      Piping Material: 409 Stainless Steel Tip Material : 409 Stainless Steel
      Piping Size: 2.5" Tip Size: 2.5" turn down
      Muffler Type: Chambered Fitment: 1998-2004 V6 Mustangs

      Will It Fit My Mustang

      • V6 - 98, 99, 00, 01, 02, 03, 04

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