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03 mustang gt 5spd, I am getting rid of my BBK shorty headers and replacing with MAC LT Headers and offroad H-pipe with a mangaflow cat-back. Does anyone have this same set-up, and was this a good choice??????????
 

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when i ordered mac for my car it rubbed the trasmission but i have an auto. also the flanges were really rough and had to be machined. i went with slp and just comparing the two slp is much better quality. you should be ok with them though it seems that most others on here havent had problems with them.
 

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also, the 4.6's sound so much better with an x-pipe in my opinion. so id get an x instead of an h-pipe.
 

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Had Mac LT's and pro-chamber all 3" exhaust on my first 98 GT and loved it. Pain in the butt to install, but that's all Headers especially LT's on a 4.6 car. lol
 
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