![]() |
|
2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs. |
|
Thread Tools | Display Modes |
#7
|
|||
|
|||
![]()
I agree with what sburn said...if there are any gains they are very low. The only reason I had another muffler put on was just for the sound.
And that stock muffler is a monster.... |
|
|