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  1. Exhaust sound fluctuates- Input

    2005-2010 Mustang GT Tech
    Hey everyone, so i want some input from you all. I have a o/r h pipe and flowmaster outlaw resonance chambers and the exhaust sound seems to flux between certain rpm ranges. On mine between 2000 and 2500 rpm seems to be the loudest and right after 2500 it quiets down. So right now i am trying to...
  2. Best exhausts for offroad X-pipe?

    2005-2010 Mustang Talk
    So I have a 10 GT with a pypes offroad x-pipe and im looking for some new exhausts. I had SLP Loudmouths on it before and there was a really bad drone around 3k rpm. It was also a little too loud for in town. So basically what im looking for is an exhaust with no drone and loud but not crazy...
  3. catted x pipe to a offroad x pipe

    5.0L Tech
    so one of my cats are rattling pretty bad i ima just relace them and weld in exhaust cutouts (see pic) but theres some smog pump tube welded to my cats so can i just weld those smog pipes to the cutouts ima replace that cats with? will i get a check engine light? btw ima buy a stock...
  4. 2005 Mustang Offroad H-Pipe and Muffler Help

    V6 Talk
    I have a stock 2005 V6 Mustang and am looking for an offroad H-pipe to fit it. However, I can not find one anywhere! If you know where I can find one please post the link. I am also interested in the American Thunder GT mufflers on What do i need to convert my single exhaust...