better mileage for 98 explorer v6?

[jewunit81289]

i was just wondering if anybody knew any tips on increasing gas mileage or even horse power? i am already buying a k&n air filter but thats the only thing i know. thanks for the help in advance

 

[aeaglenfitch]

Flowmaster muffler SUV 50 series about $130 sounds nice, adds hp. you'll need the dual in single out.

 

[PRS]

Read this http://www.explorerforum.com/forums/showthread.php?t=44372&highlight=quest

 

[Nocturnall]

He doesn't need dual in if he has a OHV engine.