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Louder exhaust on a 2005 gt roush sport?

834 views 2 replies 1 participant last post by  yjalil 
#1 · (Edited)
Hello everybody, looking to increase the sound output of a 2005 roush gt ''sport'' while keeping the sound of a roush. Is it as simple as replacing the bolt on mufflers to these?
Ford Mustang GT Exhaust System, Off-Road w/o Tips (2005-2009)
I know Roush offers ''legal'' and ''offroad'' versions but I'm not sure how much of a difference it would make on the sound.
Edit: Own question has been answered.
 
#2 · (Edited)
Edit: Just in case anyone has the same question, you can contact Roush directly and send them the last 8 digits of your VIN and have them tell you exactly what was installed. Your car needs to be Roush ''authentic'' for this to work. Turns out mine came with the ''legal'' Roush axle-back exhaust.
 
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