hey guys im in need of some help. i used to browse these forums when i had my Lightning and now i need some info. im buying a magnaflow single inlet/dual outlet muffler for his birthday. he has a 2004 f-150 ext cab 4x4. i need to know what size the factory pipe is. i would look but i live about 800 miles from him. any help is appreciated thanks.

-matt

 

anyone?

 

i belive the factory pipe 2 1/2 " .but i might be wrong