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Exhaust System Kit

Flowmaster - Force II Cat Back System (817701)

$799.95

$888.95

You save: $89.00 (10%) off MSRP

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Check to see if this fits your vehicle

This part fits

  1. 2016 Ford F-250 Super Duty 6.2L V8 cid:379 cc:6210 Crew Cab Pickup 81.8 in. bed
  2. 2016 Ford F-250 Super Duty 6.2L V8 cid:379 cc:6210 Crew Cab Pickup 98.0 in. bed
  3. 2016 Ford F-350 Super Duty 6.2L V8 cid:379 cc:6210 Crew Cab Pickup 81.8 in. bed
  4. 2016 Ford F-350 Super Duty 6.2L V8 cid:379 cc:6210 Crew Cab Pickup 98.0 in. bed
  5. 2015 Ford F-250 Super Duty 6.2L V8 cid:379 cc:6210 Crew Cab Pickup 81.8 in. bed
  6. 2015 Ford F-350 Super Duty 6.2L V8 cid:379 cc:6210 Crew Cab Pickup 81.8 in. bed
  7. 2014 Ford F-350 Super Duty 6.2L V8 cid:379 cc:6210 Crew Cab Pickup 98.0 in. bed
  8. 2014 Ford F-250 Super Duty 6.2L V8 cid:379 cc:6210 Crew Cab Pickup 81.8 in. bed
  9. 2014 Ford F-250 Super Duty 6.2L V8 cid:379 cc:6210 Crew Cab Pickup 98.0 in. bed
  10. 2014 Ford F-350 Super Duty 6.2L V8 cid:379 cc:6210 Crew Cab Pickup 81.8 in. bed
Authorized Dealer

About this product

Part #: 817701

Flowmaster's Force II Cat-back exhaust system for 2014-2016 Ford F-250/F-350 Super Duty trucks is perfect for the person looking for mild to moderate sound levels with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR/DOS (Dual Out Rear or Dual Out Side) emissions-legal system for the 6.2L V8 (gas) engine features a 50 Series HD muffler and dual mandrel bent 3.00 in. stainless steel tailpipes for maximum performance. The system also features polished 4.00 in. stainless steel tips with Flowmaster's logo embossed into it. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

More Details

Catalytic Converter IncludedNo
ColorBlack Muffler; Natural Tubing
Exhaust SeriesForce II
Exhaust TypeDual
Exit PositionDual Out Side
Exit PositionDual Out Rear
Exit StyleStraight
Heat Shield AttachedNo
Inlet Diameter3.000 in.
MaterialStainless Steel
Mount TypeFlanged
Muffler Count1
Muffler Part NumberKit Only
Muffler Series50 Series HD
Outlet Diameter3.000 in.
Outlet Outside Diameter3.000 in.
Single or DualDual
Sound LevelMild/Moderate
System TypeCat Back
Tail Pipe Diameter3.000 in.
Tip CutAngle
Tip Edge StyleCut
Tip FinishPolished
Tip Length13.000 in.
Tip MaterialStainless Steel
Tip Quantity2
Tip ShapeRound
Tip TypeDouble Wall
TitleFlowmaster 817701 Cat-back System - DOR/S - Force II - Mild/Moderate Sound
Tubing Diameter3.000 in.
Additional Documents
  1. Certificate of Originpdf
  2. Installation Instructionspdf
  3. Warrantypdf

See what our community says about flowmaster products

product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Wanted a great sound from the mild 355 motor and were affordable for the custom exhaust I built.
Is this your first time buying from this brand? Did you consider other brands?
yes
View on Alex's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
was already on car but is alright for what it is
Is this your first time buying from this brand? Did you consider other brands?
no
Was it easy to install? Any installation tips that will help others?
Was welded on when got just take exhaust to shops they can weld better than you.
Once you've had a chance to use the product, did it meet your expectations?
Its fine but I wish it was a bit louder
Any additional comments?
buy corsa
View on Chance's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
I didnt want it to be obnoxious because It was my daily. Sounds good.
Is this your first time buying from this brand? Did you consider other brands?
Yes, Flowmaster is high quality. I did consider the 40 series.
View on Sergio's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
it was a gift for high school graduation from my uncle, i've been wanting a flowmaster for quite some time, so finally having one made me happy.
Is this your first time buying from this brand? Did you consider other brands?
yes, having never put an exhaust on any car that i or my family has owned, flowmaster had the best sound to make my 4.0 more noisy without being obnoxious
Was it easy to install? Any installation tips that will help others?
did require cutting and welding
View on Jordan's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
I already had the Flowmaster Axle Back to go with it.
Is this your first time buying from this brand? Did you consider other brands?
I have other parts from Flowmaster.
View on Matt's build

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  • California prop 65 warningWARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

    *Some manufacturer restrictions apply.

    About Flowmaster

    Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels.

    Benefits of adding this mod

    An upgraded exhaust system is one of the easiest modifications that offers an immediate, noticeable performance improvement. Whether you’re cruising an M3 or modding a diesel truck, an upgraded exhaust will open up the restrictive factory system, allowing your engine to breathe better and deliver peak power! From lighter weight exhaust headers to improved cat-back systems, to better sounding mufflers, modifying your exhaust setup is a great place to express the character of your ride in a unique and cost effective way. Whatever you’re looking for in a modified exhaust system, we can provide the absolute best systems to make your vision a reality.

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    we ship worldwide!

    Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.

    + FREE GROUND SHIPPING ON U.S. ORDERS OVER $99
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    Have a question? Ask an Expert!

    Finding the best parts can be tricky

    - but not to worry! Our team of experienced American Muscle, JDM, Euro, and off-road tuners are ready to answer your questions (as long as we’re not in the garage wrenching on our own builds).

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    Matt Farah

    Smoking Tire / The Drive

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    Thank you for all the help, really. You guys are awesome. This is all great info and I really appreciate everything you have done to help me with my build.

    James M.

    Ford Focus ST

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    Your customer service is wonderful. Thank you for taking care of this. My review will express all. Thank you!

    Wallace R

    Chevrolet Silverado 1500