Foil Delete?

[BigDs_2000]

What is a foil delete and what does it do?

[NoRalPh]

There is a sound insulating foil wrapped around the InterCooler tube that goes from the turbo to the bottom of the IC on the drivers side.

Removing it has no benefit other than giving you more of the whistle sound from the turbo.

[NCHornet]

It is for bling, bling for your engine, no other reason for doing it. If you think there is you are kidding yourself!!

[Southpaw]

Well it does make the whistle louder Kevin.

[smokenstroke]

Kevin is just a non beliver in the foil delete!

[Heartbeatracing]

A non believer? I did mine the other day and the whistle was much louder....

[smokenstroke]

I was talking about Kevin, NCHornet.

[robertwhite]

Originally Posted by Southpaw

Well it does make the whistle louder Kevin.

I did mine the other day when I put a new hydroboost unit in. I noticed absolutely no more whistle than before. None. And that's with a 4" straight piped exhaust.

[Southpaw]

Well there a lot more people who notice more whistle than those who don't.

That is the reason Ford installed it after all. The Early 99 trucks don't have foil on the intercooler pipe. They installed it on the hot side pipe in the late 99's and up to reduce the noise in the cab. They also changed the compressor wheel on the turbo to accomplish this. There were complaints about the turbo noise in the cab. This is how they fixed it.

As to your exhaust...That has no effect on this. Removing the foil from the pipe does not increase the whistle out the exhaust. It will only increase the whistle you hear in the cab. Your exhaust is probably loud enough that it drowns out the sound a little so you can't tell as much of a diiference

Like Kevin said, this is not really a 'mod', and it will do nothing for your truck except clean up your engine compartment and increase the whistle in the cab.

[robertwhite]

Originally Posted by Southpaw

It will only increase the whistle you hear in the cab. Your exhaust is probably loud enough that it drowns out the sound a little so you can't tell as much of a diiference

I personally don't hear any more whistle in the cab. My exhaust is really not that loud in the cab, even with all 4 of the windows open(CC)

Like Kevin said, this is not really a 'mod', and it will do nothing for your truck except clean up your engine compartment and increase the whistle in the cab.

It definitely makes the engine compartment a little brighter getting rid of that ugly pipe cover.