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Pypes Mid-Muffler Cat-Back Exhaust (05-10 GT)

Item 20019
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      Review & Installation Video

      Hey I’m Justin with AmericanMuscle.com, and I have with me the Pypes Mid Muffler Cat-Back exhaust system fitting all 2005-2010 Mustang GTs. The biggest benefit of going with a mid muffler setup is the elimination of any possible drone, which can be especially problematic on automatic cars. This is made possible thanks to the muffler location and the longer tailpipes. Taking a closer look at the Cat-Back itself you’ll notice right away it’s very similar to Pypes’ Pype Bomb Cat-Back exhaust – both systems use the M80 muffler, and both systems also use 2.5” mandrel bent stainless steel tubing throughout. Where the kits differ is the tips – where the Pype Bomb uses those massive 4” megaphone style resonated tips, this kit uses a more traditional style 4” tip. Because of all this you can still expect a very aggressive exhaust note out of the system. Installation of this new Cat-Back really shouldn’t be all that bad, removing the factory setup first and then getting this Pypes Cat-Back bolted on should take you about 2 hours from start to finish. Now let’s hear how the Pypes Mid Muffler Cat-Back exhaust sounds compared to our factory exhaust.

      Product Information

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

      Features

      • Increases of 5 to 10 Horsepower
      • Aggressive Exhaust Sound
      • Mid Muffler Design
      • 2.5" 409 Stainless Steel Tubing
      • 4" Polished 304 Stainless Steel Tips
      • Fits 2005-2010 GT or Bullitt Mustangs

      Description

      Increase in Performance and Sound. Bolting on a Pypes Mid Muffler Cat-Back to a stock 2005 to 2010 GT will yield an instant 5 to 10 horsepower gain. It features two of Pypes M-80 Bullet Mufflers for the ultimate in flow and power gains and a deeper throaty tone.

      Aggressive Throaty Sound. The Pypes Mid Muffler Cat-Back features two high flow straight-through M-80 Bullet Mufflers that are mounted directly after the Mid Pipe to produce the aggressive deep throaty muscle car tone of yesteryear.

      Quality Materials. This Pypes Cat-Back Exhaust system is constructed from free flowing mandrel bent 2.5" 409 Stainless Steel tubing and features two Pypes M-80 Bullet straight-through mufflers for an aggressive throaty sound. The whole system is finished off with a set of 4" Polished 304 Stainless Steel tips for modern Muscle Car styling.

      Application. The Pypes Mid Muffler Cat-Back Exhaust kit is specifically designed to simply bolt-on to the existing factory H-Pipe of the 2005 to 2010 4.6L GT or Bullitt Mustang for more power and a louder more aggressive sound.

      Technical Note. Americanmuscle recommends adding the 2005+ Mustang 304 Stainless Steel Exhaust Hanger Kit from the drop down option above, to provide more strength, stability and a cleaner installed appearance. If you have a 2007 Mustang you may need the kit for correct installation.

      Fitment: 2005 2006 2007 2008 2009 2010 Details

      MPN# SFM66

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.5

      Customer Reviews (80)

      Write a Review

      Ratings Summary

      4.5 out of 5 overall rating from 80 customers

      Installation Time: Afternoon

      Installation Cost: $100-$250





      • September 18, 2019

        2 2008 GT - cal82501 Installation Time: Shop Install Installation Cost: $100-$250

        Do not buy

        All I hear is rattle, rattle, rattle, because they don’t fit right, they just hammer my panhard bar. Sound great but not worth it.

        Helpful (0)
      • May 15, 2019

        4 2006 GT - fantompony01 Installation Time: Afternoon

        fantompony

        I love the exhaust note from this system. It, along with the Pypes after cat x pipe, and LTH, gives a higher pitched more mellow tone than the MBRP's that they replaced; not saying anything bad about the MBRP's. The two pipes that connected to the mid pipe had to be welded in place because they were not flared to slip on; this being the only thing that frustrated me about the install. It is a beautiful system, with an intoxication tone, especially on acceleration. I would do it again if I had another S197.

        Helpful (0)
      • May 13, 2019

        4 2005 GT - Eshkeet Installation Time: Less than 1 Hour

        Pipes exhaust

        Very happy with it, sounds great had a deeper tone then the stock exhaust and it was very easy to install

        Helpful (0)
      • January 04, 2019

        5 2010 GT - RichardG Installation Time: Afternoon

        Awesome!!!

        Paired these with BBK longtubes and o/r x-pipe. Car sounds amazing. Definitely feel a difference. Install was pretty straight forward too.

        Helpful (2)
      • October 20, 2018

        5 2006 GT - JamesH

        Mid pipe M80 great exhaust note

        The Pypes mid pipe cat back has a great finish and sound amazing paired with off road x pipe but the fit leaves a little to be desired as they could have made the pipes just a pinch longer so it would go together a little better I had to move some of the pipes around to get them all to fit properly if only 1 of any of the pipes would have been about 1/4 to 3/8 of a inch longer this would have fit perfectly with that being said I am extremley happy with the sound quality and loudness of this system

        Helpful (5)
      • September 23, 2018

        2 2010 GT - DanY Installation Time: Shop Install Installation Cost: $100-$250

        bad pypes

        Did not get enough clamps.Had to use old parts.Took 2 hours on a lift to install. I did get $53.00 credit from American Muscle.

        Helpful (4)
      • July 12, 2018

        1 2007 GT - MadScientist Installation Time: Afternoon

        Wouldnt purchase again

        Tail pipes fit poorly, not even at all, not even worth modifying, better off building a mid muffler system on your own. Sustem needs a rethink and a quality improvement.

        Helpful (5)
      • May 07, 2018

        5 2006 GT - Christopher Installation Time: Less than 1 Hour

        Perfect sound

        This item is perfect and really easy to install. I’m in love with it

        Helpful (5)
      • March 20, 2018

        4 2005 GT - Xr7fiveo Installation Time: Afternoon

        Patience grasshoppah

        Packaged well, seems to be good quality, and looks good once installed. Installation was easy as all parts fit as they should. Lining it all up so it didn’t rub and so it was somewhat centered on bumper was a different story. Since it is in 4 pieces (3 with bends) slight twists in a pipe change the whole geometry downstream. 2 hrs to install initially, but had to walk away to sleep on it. Fresh eyes the next morning helped to adjust the pipes so they lined up OK. Pass side still isn’t perfect in bumper, but I’ll live. Sounds good! Just what I was looking for for the convertible with two car seats. :-)

        Helpful (8)
      • August 29, 2017

        4 2007 GT - ScottM Installation Time: Afternoon

        Great Value

        They sound good at the 3000 RPM plus range, would like a little more sound at an idle. Going down the highway there is no extra sound in the car if anything a little less sound. As for the install they look great once i readjusted them for an hour to get the tips in the same place. And the one thing it doesn't say, is you need to cut out the old exhaust if you are on jack stands in the drive way instead of a car lift.

        Helpful (7)

      Questions & Answers (15 answers)

      5 Top Rated Questions

      My 2006 Mustang GT has Magnaflow aftermarket exhaust. The car is bone stock except for the mufflers. It has a terrible drone around 1800-2000 rpms. I would like to get rid of this drone. I don't really care how loud the exhaust sounds..the V8 always sounds good. Are these Pypes Mid-flow mufflers they way to cure the drone?

      • The Pypes Mid-Muffler Cat-Back Exhaust will have significant amounts of drone, especially on automatic Mustangs.

      Helpful (1)

      If someone wanted to remove the mid mufflers for a direct straight pipe exhaust where you replace the mid mufflers with a metal pipe, is that possible? I just wanted to double check

      • You certainly could do so! You receive the kit of course in pieces to then install all together. Simply just leave out the mid-muffler during your install, and make sure you have either done the measurements or find a good exhaust shop to fill the gap appropriately.

      Helpful (0)

      Will this work with stock headers for my 2010 mustang GT convertible or do I need to upgrade them?

      • This cat-back exhaust will bolt up directly to the factory h-pipe without any issues.

      Helpful (0)

      I have Varex X-force Mufflers (Axle Back) for my 2008 Mustang GT and was wondering if the Pypes Mid-Muffler Cat-Back Exhaust would be compatible with this axle back or any other Axle Backs from any other brands of Axle Backs

      • As long as the exhaust tubing is the same size, we don'tsee why the axle back and cat back tubing wouldn't bolt up. You may have to make some modifications depending on the exhausts you choose to bolt together. 

      Helpful (0)

      I have Pypes Long Tubes with an o/r h pipe, how would this sound with that combo. Would there be a lot of drone? Would it be crazy loud?

      • The Pypes Mid-Muffler Cat-Back Exhaust uses straight through, resonator style mufflers, and will be very loud with significant amounts of drone, especially when combined with an off road mid pipe.

      Helpful (0)
      Post Your Question
      10 More Questions
      How does this system differ from the Pypes Super System? They both describe 2.5" piping with the same M80 bullet style mufflers. I don't mean to sound rude, sorry if it comes across that way.....just curious. 1 answer
      I’m moving to Nevada this Fall and I want to know is this exhaust model illegal in Nevada? I don’t want to pull over because it way too loud or get ticket. I want to make sure I pass the smog/carb test lol. 1 answer
      Is this cat-back really quieter then Pypes pype-bomb super system cat-back? 1 answer
      Hello I have a mustang gt of 2007 in automatic this kit is it compatible? What i need for a good installation ? 1 answer
      Would these catbacks fit with pace setter long tube headers and pace setter shorty h-pipes? 1 answer
      Will these bolt up to the short bbk xpipe that is used for long tube headers? 1 answer
      will it fit stock 2006 v6? 1 answer
      05 V6 With Ford Racing Duel Exhaust I just bought an 05 V6 with a Ford Racing Duel exhaust but i don't like that it has a chamber muffler and want to switch to a mid muffler system. Would this connect right to the X-pipe that came with the Ford Racing exhaust or would i need the Pypes X-pipe as well? 1 answer
      2008 Mustang V6? I want to put long tube headers with a short catted H-pipe on my 08 v6. Will this cat back work? 2 answers
      WIl this line fit my 05 V6? I have the pypes mid muffler true dual exhaust X pipe already, and im wondering if this line will fit my V6 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) M-80 Mufflers
      • (2) Over-axle Pipes
      • (2) Tailpipes
      • (2) Polished Tips
      • (8) Band Clamps

      Tech Specs

      Cat-Back Exhaust Specifications
      Piping Material: 409 Stainless Steel Tip Material : Polished 304 Stainless Steel
      Piping Size: 2.5" Tip Size: 4"
      Muffler Type: Straight-through Fitment: 2005-2010 GT Mustangs

      Will It Fit My Mustang

      • Bullitt - 08, 09
      • GT - 05, 06, 07, 08, 09, 10

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