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Well they can only void warranties if the "malfunction" is tied with an aftermarket product. Usually though, companies of quality aftermarket power adders such as a supercharger (ex. Roush) have warranties that will cover any damage from said supercharger. So I agree with the article where it says "read the fine print before buying and installing aftermarket products". All car manufacturers do this so don't let this steer you away from a great car!
 

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Sounds like the lawyers are getting more involved in case of failures. You always hear about it but I think the TSB is to help pad Fords position. I know the 2011+ are having more issues then some years but I haven't heard anything about motors. Just checked, no TSB for 2006 models. Just the warranty threats. :gringreen
 

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This is the most important part from the link IMO!


"...So what does this mean for owners of 2011+ Mustangs? First off, know that Ford can’t automatically void your warranty due to aftermarket modifications. The Magnuson-Moss Warranty Act of 1975 states that it must be proven that an aftermarket part directly caused a failure to original equipment parts to void a warranty.

However, if you are going to modify your car, whether a simple tune, exhaust system or a supercharger, know that not all aftermarket parts and products are produced with the same quality. Increasing horsepower and torque can be done safely, but it can also be done in a way that harms the engine’s internal components. If an aftermarket tune causes an engine to run lean or if excess boost from a supercharger breaks a connecting rod, then Ford can legally void a powertrian warranty."


If you put a cat back on your car, and a month later your radio stops working, they cant say the cat back was the cause. I dont think it's any different for any car company. All ford did was put it in a tsb.

Cant someone figure out how to tune it without ford being able to tell? People hack the federal government, for god sake, they can't figure out how to hack a mustang? :shigrin
 

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same b.s. that the 05 guys had to deal with. As long as you're smart about it you shouldn't be breaking parts in the first place
 

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same b.s. that the 05 guys had to deal with. As long as you're smart about it you shouldn't be breaking parts in the first place
You're right. Problem comes up when something breaks anyway, due to materials or workmanship errors, and Ford wants to worm their way out of the responsibility. In that case, you have a better chance of paying the whole load if you have verifiable modifications that might, just might, be connected to the failure.

Everything is a risk; sooner or later some set of tolerances is going to work against you. All you can do is limit yourself to sensible mods, be careful how they are done or who is in charge of getting them done, and not abuse the machinery.

In my view the stock Mustang GT is as good a performer as anyone needs; if you go to extremes of the kind that are likely to result in warranty-busting outcomes, you have signed the contract, and must live up to its terms. You plays, you pays.
 

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yeah, but the 5.0's have had a multitude of problems (just read the thread , "are aftermarket tunes causing our cars to take a dump.) in the 11 and up section. The timing advance is causing the # 8 cylinder to burn down, not to mention the list of other known problems straight off the show room floor. , i.e. transmission shift issues, ticking at certain rpm's, and many other issues. (these are stock problems, not tune or aftermarket parts.)
I wanted a 5.0, being a true fan of the original 5.0's and owning many of them, however after reading the many issues with this car I'm pleased I bought my 06 instead.
I'll admit at first, I was like, why buy a car at 300 hp, when the new ones are at 400 and I'm gonna have to mod my car alot to get where they are factory? That bugged me alot for a bit.. However, the price tag and write ups of problems changed my mind. I've heard of alot of transmission problems when adding just 50 more hp. I think these cars weren't built with mods in mind.
 
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