Question about 2003 Subaru Legacy

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Muffler I want to change the stock rear muffler to get more sound not to much,what you recomend

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Their are many, MANY differant types of mufflers that can be installed on the Legacy...
But knowing exactly which muffler would be determined on your preferances?
Do you want it for looks, sound, performance?
Try searching within this site. It will give you many differant options. Even at my age, I could spend little or spend alot.
http://www.autopartswarehouse.com/search/?Ne=28&N=9292&Nr=AND(universal:1)&V=11736+1719+4294965146&Vh=2003%20Subaru%20Legacy

Posted on Nov 10, 2008

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The baffels in the muffler could be gone or the manifold gasket could be out. You may need a new muffler does it sound louder at the front or rear of the car. If its the rear its your muffler front gasket or the dounut

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What you now have is a mix of unmatched components that sound nice, and possibly may give you a one or two mpg increase. However, a good exhaust system is carefully engineered to take advantage of sonic as well as physical, laws that influence the way both sound and air (exhaust) behave in certain diameter pipes, when traveling at pre-determined speeds.
Most stock exhaust is far from that, rather, it is the cheapest easiest means to permit exhaust to escape from the engine while making the least amount of noise, while keeping the converter operating. Therefore anything you do to lower pressure will give you somewhat of a performance gain. In using a part of the stock system, you cancel some of that gain by creating another restriction. I'd be satisfied with what you have but would be concerned about passing a state inspection. If you want to learn more about exhaust and how it influences your engine there are many good books you can read on this subject. (I know that because I probably read them all as a pro racer).
Good luck with your Jeep!!!

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