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Flowmaster Force II Aluminized Steel Dual Exhaust System - Side/Rear Exit (98-03 4.6L)

Market Price $583.99 You Save 13% ($77.02)
Starting At

$506.97 (each)

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  • Item T18308-BA
  • MPN# 17472

Will this fit your F-150?

Features & Details

  • Mild Flowmaster Super 50 Series Sound
  • Durable Aluminized Steel Construction
  • 2.5" Mandrel-Bent Tubing
  • Muffler Features a 2.5" Inlet and Dual 2.5" Outlet
  • 3" Polished Stainless Steel Tips
  • Simple Bolt-On Installation
  • Choice of Rear or Side Exit
  • Made in the USA
  • Fits All 1998-2003 4.6L V8 F-150s
Make Your Truck Roar. Drive with a vengeance and let everyone know you're coming with the Flowmaster Force II dual cat-back system equipped. It puts out a deep rumble that stands out among all the other F-150 trucks. You'll sound more sinister, you'll be more formidable and you'll enjoy driving around just to drive with this kit attached. It sounds so good that your truck will feel more powerful and will sound like a new vehicle entirely.

Serious Performance Enhancer. Extend your truck's power band just a bit further with this Flowmaster Force II dual cat-back system. It's designed with wide stainless steel pipes and a dual exhaust for either the side or rear of your truck to optimize exhaust flow as much as possible. When using this kit you'll improve your efficiency dramatically and give your truck more power to work wtih. You'll love the torque that you get from this exhaust system, and it's a simple modification too.

Weather Protected. Exhaust systems are exposed to the elements. This one is designed to stand up to harsh weather conditions without an issue. You can drive around confidently without worrying about rust to the system because it's made from stainless steel. Even if the pipes and muffler are coated with salt and water, you won't develop rust immediately. Stainless steel stands up to corrosion well, which is why stainless is used for water-based applications. For the toughest exhaust system look into something like the Flowmaster Force II dual cat-back kit that is made of stainless.

A Fast Installation. With just three or four hours this Flowmaster Force II dual cat-back system will go under your truck and lock firmly into position. To go through the installation just add the included hangers to your truck and then mount the pipes ot the hangers. That's the whole process. You can have the work done professionally for best results, or tackle the project yourself with good results as well.

Application. Fits 1998 to 2003 Ford F-150 truck on a 1/2 Ton chassis with a 4.6L or 5.4L engine, fits 2 and 4 wheel drive models and all wheelbases including Super Crew Cab.

Fitment: 1998 1999 2000 2001 2002 2003 Details

What's in the Box
  • (1) Extension Pipe
  • (1) Inlet Pipe
  • (1) Muffler
  • (1) Right Tailpipe
  • (1) Left Front Tailpipe
  • (1) Left Rear Tailpipe
  • (2) Side Exit Tailpipes
  • (2) Stainless Tips
  • (8) 2-1/2" Clamps
  • (1) Rubber Hanger
  • (1) Hanger Assembly
  • (2) 5/16" x 1" Bolts
  • (2) 5/16" Nuts
  • (2) 5/16" Lock Washers
  • (4) 5/16" Flat Washers
  • (5) 7/16" Hanger Keepers
  • (1) Plastic Ziptie
Installation Info
Tech Specs
Cat-Back Exhaust Specifications
Piping Material: Aluminized Steel Tip Finish: Polished
Piping Size: Single 2.5" Inlet
Dual 2.5" Outlet
Tip Size: 3"
Muffler Type: Chambered Exit: Rear Exit or Side Exit
Will it fit my F-150?

Most Helpful Reviews

5/5
Flomaster 50 series

Sounds great! Very timid with deep rumble when at idle and daily driving but really screams when you stomp the pedal. Especially when paired with shorty headers and if you you really want to open up the ...

Read More
Helpful (2)

5/5
Getting a new one

So this set up is great. I already have it on my daily driver and now that I have my jacked up f-150 I am putting it on this one as well.

Helpful (2)

Overall Rating 5 out of 5 stars
Read All 2 Reviews

Customer Photos (1) Submit Your Photo

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1 Questions / 1 Answers

Ask a Question

How difficult is this to install? Does it require the use of a welder? Does it connect right on the stock cats? Is there any modifying needed to fit this to my truck?

Taylor

  • The Flowmaster Force II Aluminized Steel Cat-Back Exhaust should be a simple bolt on installation. It does not require any welding, modification and should bolt up to right behind your stock catalytic converter. Note: Does not fit the 1997 model year, SVT Lighting and 2002-2003 Harley Davidson Edition trucks.

    TerriB

Helpful (0)

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Customer Reviews (2) Write a Review

Overall Rating 5.0

out of 5 stars

Installation Time:Afternoon

  • Loudness / Volume 4.5 4.5
  • Exhaust Note 5 5
  • Fit & Finish 5 5
  • Bang For Your Buck 5 5



  • 5/5

    Installation Time: Afternoon

    January 25, 2017

    Flomaster 50 series

    Sounds great! Very timid with deep rumble when at idle and daily driving but really screams when you stomp the pedal. Especially when paired with shorty headers and if you you really want to open up the exhaust then cut the cats!

    ProchargedF150

    Year: 1997 Submodel: 4.6L V8 XLT

    Helpful (2)

  • 5/5

    Installation Time: Afternoon

    October 24, 2016

    Getting a new one

    So this set up is great. I already have it on my daily driver and now that I have my jacked up f-150 I am putting it on this one as well.

    Moose378

    Year: 2003 Submodel: 4.6L V8 XL

    Helpful (2)

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