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Flowmaster Force II Stainless Steel Cat-Back Exhaust (00-06 4.0L Jeep Wrangler TJ, Excluding Unlimited)

ExtremeTerrain no longer carries the Flowmaster Force II Stainless Steel Cat-Back Exhaust (00-06 4.0L Jeep Wrangler TJ, Excluding Unlimited). Please check out 1997-2006 TJ Jeep Wrangler Cat-Back Exhaust for an updated selection.

Features & Details

  • Cat-Back System
  • 16 Gauge Stainless Steel
  • Black High-Temperature Coating
  • Mandrel Bent Diameter Pipe
  • 2.5 Inch Brushed Stainless Steel Tip
  • Made in the U.S.A.
  • Limited Lifetime Warranty
  • Fits 2000 - 2006 4.0L TJ Wranglers, Excluding Unlimited Models
Construction. A cat-back version of the Force II, this Flowmaster exhaust system is a single-out rear (SOR) type with 2.25 inch stainless steel tubing and 2.5 inch brushed tips. Constructed from 16 gauge steel, this exhaust system comes with stainless steel hangers for rapid, secure mounting. The muffler has a heat proof black coating while the rest of the system is polished stainless steel.

Mild sound no louder than stock is characteristic of the Force II, giving you the benefits of enhanced horsepower, torque, fuel efficiency, and throttle responsiveness without being obnoxiously loud about it. This system increases off-road performance while offering reliable durability over time.

Application. Flowmaster backs this system with a limited lifetime warranty. This system fits 2000 - 2006 4.0L TJ Wranglers, excluding Unlimited Models.

Fitment: 2000 2001 2002 2003 2004 2005 2006 Details

MPN# 817491

CA Residents: WARNING: Cancer and Reproductive Harm -

Tech Specs
Will it fit my Wrangler?

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Questions & Answers (5)

5 Top Rated Questions

Hello, Is there any web site that has real time of the sound of this at idle and stepping on the gas?

  • The beginning of our installation video on the product page lends a sound test!

Helpful (0)

Are the pipes Stainless Steel? It just says ss muffler hangers

  • The exhaust indeed will be constructed of 409 stainless steel.

Helpful (0)

Will this cat back fit 2004-2006 Unlimited? If not would you have one that would?

  • This Flowmaster Force II Stainless Steel Cat-Back Exhaust (00-06 Wrangler TJ) would not fit and 2004-2006 LJ, but these Cat-Back exhaust will fit your LJ: 1. 2. 3.

Helpful (0)

What muffler comes with it ???

  • The Flowmaster Force II Stainless Steel Cat-Back Exhaust uses a super 50 series muffler.

Helpful (0)

Does flowmaster make a system for a jeep that actually improves horsepower ??? I don't want any drone. This video review says it has a nice sound to it ,but not really any power gains .

  • Hello, all exhaust systems improve horsepower and you will feel a decent gain with this Flowmaster Force II Stainless Steel Cat-Back Exhaust without any drone. Unfortunately we do not offer any Flowmaster system for a JK that makes a substantial amount of HP.

Helpful (0)
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Customer Reviews (4) Write a Review

Overall Rating 4.5

out of 5 stars

Installation Time:Afternoon

Installation Cost:0-$100

  • Exhaust Note 5 5
  • Fit & Finish 4.75 4.8
  • Bang For Your Buck 4 4

  • 4/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    April 10, 2019

    Review from Flowmaster Force II Stainless Steel Cat-Back Exhaust (07-18 Jeep Wrangler JK)

    Pain in the butt install

    I decided to initially install this myself as I do all my Jeep mods and boy was that a mistake. Removing the old muffler and resonator and pipes were fairly easy. I greased the hangers to make the removal easier and with a little bit of twisting it did the trick. The hard part was getting the new hangers to line up just perfectly. Even with grease and oil I couldn't get the new pipes to fit into each other all the way so in the end the muffler was slightly off. Not to mention I have the Hard Rock edition with dual tow hooks on the back bumper and the exit pipe ended up rubbing up against it which caused rattling. I decided to take it to a professional shop to have it adjusted. They fixed it in under and hour and in retrospect I should have taken it to them to begin with. The shop had to sawzall a piece off the pipes and re weld it but it turned out perfect. The exhaust note is exactly what I was looking for. Nothing overly loud or annoying to attract attention. Just a nice deep aggressive tone.


    Year: 2016Submodel: Rubicon

    Helpful (0)

  • 5/5

    Installation Time: Less than 1 Hour

    June 18, 2018

    Review from Flowmaster Force II Stainless Steel Cat-Back Exhaust (07-18 Jeep Wrangler JK)

    Satified Customer

    Great product, Design is spot on . all the hardware and hanging tabs were perfect. The sound is a little more aggressive than I Expected but is still sounds great.


    Year: 2009Submodel: Wrangler

    Helpful (12)

  • 4/5

    Installation Time: Less than 1 Hour

    May 02, 2018


    It is quieter than I was expecting but does give a nice sound over all I am happy with it


    Year: 2004Submodel: Rubicon

    Helpful (14)

  • 5/5

    Installation Time: Afternoon

    January 11, 2017

    Review from Flowmaster Force II Stainless Steel Cat-Back Exhaust (07-18 Jeep Wrangler JK)

    Sounds Mean

    This exhaust fits perfect, sounds mean, doesnt drone, and looks great with the black muffler section. I wanted the sound and performance without being too loud, having a drone, or being too flashy. This is the ticket. Love it


    Year: 2009Submodel: Rubicon

    Helpful (16)

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