True dual 3"?

[mwood1986]

He had the black painted ones on a 4x2 but yea could be a factory defect as well, I heard it's a bit tighter on a 2wd. If the 3" with an H pipe is too much flow then I'd think he'd be fine with an X pipe or just go 2.5" it's all up to you and I know you lose a lot of nice sound with y-pipes.

I was looking at this for when I go to redo my own exhaust:

OBX HEADER EXHAUST MANIFOLD 04-08 FORD F150 F-150 4WD | eBay

$570 and it's all ss I was just going to get someone to tig an x-pipe on it. Seen a few good responses on them also.

I think it's $170 more for cats instead of resonators or get a custom tune it's a bit more but, it'll never rust.

OBX HEADER CAT'D 04-08 F150 F-150 5.4L 4WD 4X4 Manifold

[88Racing]

Stick with 2.5" pipe....this will help maintain the lower part of the torque curve....

[hampsterzone]

I have Edlebrock shorty heaters, stock cats, stock piping from cats back, dual exhaust, 3" pipe from midway to tips which are 5" echo tips. Sounds mean! I do not know about loss of low end torque though. But I have 4.56 gears so I am not sure I even noticed. ? (straight piped)

[DarrenWS6]

3" true duals on a N/A 3v engine and stock size gears are going to kill the transmission and strain the engine down low. Don't do it. 2.5" at maximum. And X piped. Start the 2.5" after collectors, before the cats.

Here is how hi-flow cats, 2.5" true duals X piped with Dynomax Bullets and 4"x18" 45'd tips sounds.

http://www.youtube.com/watch?v=Vi-L12mt5E4