Ford.Rules Posted June 30, 2011 Report Share Posted June 30, 2011 I have a 2001 Mercury Gtand Marquis 2 valve 281 4.6l V8 and I want to have an exhaust system put on it. I was planning on getting the Stainless Works headers with the hi-flow cats and having a custom catback system built and installed. I want either an H-pipe or X-pipe but idk which is best. I want a mix of performance and gas mileage. Also I want to know which mufflers would be best? I want it to be loud when accelerating hard but fairly quiet at idle and start up so my neighbors don't get too mad at me. So if you could help me out I'd appreciate it and I'd like to know your reasoning behind your answers/advice. Thanks Quote Link to comment Share on other sites More sharing options...
dmurria78244 Posted August 21, 2011 Report Share Posted August 21, 2011 I know u probably have done this all ready, but if you haven't go with a X-Pipe, I reccomend the Flowmasters Super 40s or Super 44s. Quote Link to comment Share on other sites More sharing options...
MustangGT Posted August 21, 2011 Report Share Posted August 21, 2011 Get a catted x pipe and flowmaster super 44's. Lol. Quote Link to comment Share on other sites More sharing options...
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