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Pypes The Beast Off-Road Exhaust (86-93 GT)

Market Price $606.99 You Save 24% ($143.00)
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  • Item 20060
  • MPN# SFM10B

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Features & Details

  • Maximum Sound and Maximum Flow.
  • Includes Off-Road X-Pipe and Violator Cat-Back.
  • 409 Stainless Steel Construction.
  • Fits 1986-1993 GT Mustangs.
The Beast. The Pypes Beast kit for the 1986-1993 GT Mustang combines Pypes 409 Stainless Steel Off-Road X-Pipe with their 409 Stainless Steel Violator Cat-Back for Maximum Sound and Maximum Flow.

Pypes Off-Road X-Pipe. Pypes Mustang Off Road X-Pipe Crossover pipes are second to none when it comes to balancing out the exhaust gas pressure in your system. Constructed of sturdy 16 gauge 409 Stainless Steel tubing, each pipe bolts up perfectly in the stock position.

Pypes Violator Cat-Back. Violator Cat Back Exhaust from Pypes is the last exhaust system your 1986-1993 Mustang will ever need! The system is built to last, constructed from high quality 409 Stainless Steel. It features two Violator "Rude Sound" mufflers for Pypes ultimate in flow with an ultra aggressive sound.

Fitment: 1987 1988 1989 1990 1991 1992 1993 Details

What's in the Box
  • (1) Off-Road X-Pipe
  • (2) Down pipes
  • (2) Muffler assemblies
  • (2) Over axle tailpipes
  • (4) 2.5" clamps
Installation Info
Tech Specs
Mid Pipe Specifications
Style Mid Pipe: Standard length "X" Type Headers Required: Shorty
Piping Material: 409 Stainless Steel Piping Size: 2.5"
Catalytic Converter: "No" - For off-road use only Fitment: 1979-1995 5.0 V8 Mustangs

Cat-Back Exhaust Specifications
Piping Material: 409 Stainless Steel Tip Material : 409 Stainless Steel
Piping Size: 2.5" Tip Size: NA
Muffler Type: Chambered Fitment: 1987-1993 GT Mustangs
Will it fit my Mustang?
  • Foxbody - 87, 88, 89, 90, 91, 92, 93

Fits GT Only

Most Helpful Reviews

89 mustang gt

this system sounds great, very comparable to any major brand, and you can feel and hear the difference when you romp it.

Helpful (5)

pypes the beast

This product was very easy to install very user friendly. I am very happy with my purchase.

Helpful (2)

Overall Rating 4.8 out of 5 stars
Read All 8 Reviews

Customer Photos

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2 Questions / 5 Answers

Ask a Question

1990 mustang gt conv stock headers.... will this kit fit my 90 gt convert?


  • Yes it bolt right to the stock headers.


Show 2 more answers Helpful (0)

1990 Mustang GT 5.0 I plan on buying these once im done buying a CAI, and Headers, will this fit my 1990 Mustang GT 5.0?


  • Absolutely! This will fit your '90 5.0 as long as the headers you are plan to buy are shorty headers and not long tube headers. Enjoy!


Show 1 more answer Helpful (0)

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Customer Reviews (8) Write a Review

Overall Rating 4.8

out of 5 stars

Installation Time:Full Day

Installation Cost:$100-$250

  • Loudness / Volume 4.75 4.8
  • Exhaust Note 4.5 4.5
  • Fit & Finish 3.5 3.5
  • Bang For Your Buck 4.5 4.5

  • 5/5

    April 11, 2009

    89 mustang gt

    this system sounds great, very comparable to any major brand, and you can feel and hear the difference when you romp it.

    rick from eagleville pa

    Year: 1989 Submodel: GT

    Helpful (5)

  • 4/5

    Installation Time: Afternoon

    June 29, 2012

    great product.

    this exhaust combo was a decent buy. A ittle bit of cutting and welding but i eventually got it to work. sound is pretty good as well. exhaust gives off bit of a raspy noise with out the cats. Thinking im going to switch the mufflers to flowmaster. but all in all. good buy.


    Year: 1987 Submodel: GT vancouver, bc

    Helpful (2)

  • 5/5

    May 09, 2011

    pypes the beast

    This product was very easy to install very user friendly. I am very happy with my purchase.

    Ricardo Vega

    Year: 1989 Submodel: GT

    Helpful (2)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    April 28, 2013

    Awesome Power and Sound

    I had the exhaust system installed by a mechanic. I do not have a lift only ramps and there was not enough room under the car to do it myself. I am very pleased with the outcome, sounds better than described. I can say my 1991 GT Convertable now sounds like my brother's 1967 Shelby!


    Year: 1991 Submodel: GT Maryland, USA

    Helpful (1)

  • 4/5

    Installation Time: Full Day

    January 18, 2013

    Close but not perfect

    The beast by volume for sure, but as for direct bolt on, can also entail the beast monicker . Twisting and turning every which way might not get you to perfect, especially if your down pipe isn't cut with a 90 degree off the main tailpipe...which mine isn't . Voluminous and aggressive growl makes for quite an awesome combo but as for look make sure you do a mock up before you install it. Or else yours might have been made Monday morning or Friday evening like mine. In the end the sound , far and away unique, unfortunately mine ended up looking like Quasimodo and sounding like Sinatra


    Year: 1990 Submodel: GT Cocoa, FL, USA

    Helpful (1)

  • 5/5

    May 03, 2011


    This product is great, fit really well with the shorty headers. Rumble is great but for those of you who live in a small community, it's LOUD... Makes my mustang sound mean, especially with the BBK cold air added now as well.


    Year: 1988 Submodel: GT

    Helpful (1)

  • 5/5

    October 15, 2010


    This exhaust sounds great, it has a nice deep throaty sound that roars when you get on it. The install was fairly easy and it looks great too. I recommend this product. The sound it produces stands out from other exhausts. love it


    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    October 13, 2017

    Kyles exhaust

    An amazing product I love the sound it makes when going down the road


    Year: 1991 Submodel: GT

    Helpful (0)

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