Ok I took a quick peek under to look at the exhaust and wondering..why do they have so many resontors/mufflers on this van??!! It appears there are 3, one after the CAT, one in front of the spare, and one after the spare. Now this was just a quick peek so I may be wrong, but it definatly wasn't just exhaust pipe. Has anyone cut all those out and just ran 1? I'm sure the mpg would improve as well as horsepower.