axle-back

Flowmaster 817497 - Force II Axle Back Exhaust System

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$589.95

$655.95

You save: $66.00 (10%) off MSRP

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Flowmaster 817497 - Force II Axle Back Exhaust System

This part fits

  1. 2014 Ford Mustang Base 3.7L V6 cid:227 cc:3726
  2. 2013 Ford Mustang Base 3.7L V6 cid:227 cc:3726
  3. 2013 Ford Mustang Boss 302 5.0L V8 cid:302 cc:4951
  4. 2012 Ford Mustang Base 3.7L V6 cid:227 cc:3726
  5. 2011 Ford Mustang Base 3.7L V6 cid:227 cc:3726
Authorized Dealer

About this product

Part #: 817497

Wake up the performance and sound hidden in your V6-powered 2011 to 2014 Mustang with a Flowmaster Force II exhaust system. These moderate sounding systems retain the dual exhaust system outlets and are designed to replace the original rear mounted mufflers using factory hangers and connections. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially tuned mufflers. As a Force II system, it delivers a moderate exterior tone and a mild interior tone and is suited to the enthusiast who wants a subtle but distinctive exhaust note. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. The kit is a true bolt-on and includes everything you need to easily install at home with basic hand tools.

More Details

Exhaust SeriesForce II
Exhaust TypeDual
Exit PositionDual Rear
Exit StyleStraight
Heat Shield AttachedNo
Inlet Diameter2.250 in.
Inlet Inside Diameter2.250 in.
MaterialStainless Steel
Muffler Count2
Muffler Part NumberKit Only
Muffler Series60 Series Delta Flow
Outlet Diameter2.500 in.
Outlet Outside Diameter2.250 in.
Single or DualDual
Sound LevelModerate
System TypeAxle Back
Tail Pipe Diameter2.250 in.
Tip Diameter4.000 in.
Tip Quantity2
TitleFlowmaster 817497 Axle-back System 409S - Dual Rear Exit - Force II - Moderate Sound
Tubing Diameter2.250 in.
Additional Documents
  1. Certificate of Originpdf
  2. Technical Drawingpdf
  3. Installation Instructionspdf
  4. Warrantypdf

See what our community says about flowmaster products

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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
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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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What made you choose this particular product?
Super 40'soft sound amazing...but drone makes them not family or neighbour friendly.
Is this your first time buying from this brand? Did you consider other brands?
Yes. I have used magna flow in the past, better for longer drives but not as nasty sounding...and I mean nasty in a good way!
View on Brett's build
CeJay Innes-Mammen

371

CeJay Innes-Mammen
2006 Dodge Charger
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What made you choose this particular product?
Prior experience with these mufflers on other HEMI's
Is this your first time buying from this brand? Did you consider other brands?
Long time patron
View on CeJay'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?
Got these for a deal of a GT in the local junkyard. Cheap and had everything I needed to fit to my car.
Is this your first time buying from this brand? Did you consider other brands?
Yes, but my dad has had Flowmasters before so between that and their excellent reputation I knew they were for me.
Was it easy to install? Any installation tips that will help others?
Somewhat difficult. Passenger side pipe would not go in the car even after loosening the shock mounts and letting it droop from the control arms. It had to be cut and welded in the car
Once you've had a chance to use the product, did it meet your expectations?
Yes, sounded excellent especially for a V6
View on Joey's build
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*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.

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