Buy Flowmaster 817497 Axle-back System 409S - Dual Rear Exit - Force II - Moderate SoundFlowmaster 817497 Axle-back System 409S - Dual Rear Exit - Force II - Moderate Sound Product Description:
- Mandrel bent 16 gauge 409 stainless tubing
- Moderate exterior exhaust tone
- Includes hangers and hardware for easy installation
- Axle back system
- Dyno tuned for maximum performance
Product Description
Wake up the performance and sound hidden in your V6-powered 2011 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.
Customer Reviews
Most helpful customer reviews
2 of 2 people found the following review helpful.
By Jeff Sprague
Am I the only one who thinks these are horrible?WAY louder than the factory web page and the reviewers imply. Under WOT it sounds like a screaming Japanese motorcycle (which, admittedly is kind of cool as long as you don't want to attract every cop in a half-mile radius), but at moderate acceleration it sounds terrible: boomy, muddy, loud, obnoxious. I was looking for a bit more sound, and a lower exhaust note, but I wanted a clean sound, which these do not provide... especially not suited for a convertible. After one day, I was embarrassed to drive it and put the factory exhaust back on. I'm a 40-something professional driving the refined new Mustang, not a 17 year old in a tin-can Honda.I guess I'm not the only one... I bought these "slightly used" from Amazon, so someone else didn't care for them either and returned them. I hear the Magnaflows might be more what guys like me are looking for, but now I'm a bit gun-shy to try again.However... if years of jacking up your iPod has left you half deaf, and this kind of sound is what you're looking for, I'll say some nice things too. I am not very mechanically inclined, but with a set of ramps and a socket wrench with an extension, I was able to install both these puppies in just 35 minutes. I was able to do so without removing the panhard bar as recommended in the instructions. It took 40 minutes to put the factory cans back in but only because I thought I could do it without removing the panhard bar again, but it's a bit harder to wedge it in going in that direction. After futzing about for 15 minutes I finally decided to remove the two panhard bolts - no biggie - made it much simpler.The tips are definitely nicer than stock, and the mufflers are definitely lighter than the OEMs. Fit was good, and installation pretty easy.And Amazon rocks! Not only do they take it back, but they pay the shipping. Other than my time, no risk to try.
1 of 1 people found the following review helpful.
By MD
Spent 3.5 hours installing this axle-back exhaust. I blame the basic instructions provided by flowmaster and my own lack of experience. My fat fingers didn't help in reaching the bolts either. After I tightened the last bolt I backed up to take a look at the final product. The exhaust tips were inches away from being centered. Decided I had spent enough time messing with the system and took the car to my local exhaust shop so they could make the tweaks to center the exhaust. I'm very happy with the finished product, great sound and great looks. The exhaust has a nice gurgle/pop after every shift.
1 of 1 people found the following review helpful.
By mancinitony007
I have had these on my car for about a week now and I couldnt be happier. They were easy to put on took about 45 minutes and I am skinny enough I didnt even jack the car up. I am very happ with the easy install and it give it a good tone at highway speed and great tone on take off.
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