Here is a little intake mod you can do Dan. It's a little bit more dicking around though.
Rear turbo intake pipe
Here you can see the inside of a standard one. Note the "Hump"
Modified one. Doesnt look pretty but thats just the flash doing it's thing.
Front standard pipe with the modified one from the outside.
Standard vs modified internally. Note the lack of "Hump"
It definately can't hurt. The rear one comes in a fair way, reducing from the 2 inch pipe to a '1.7ish' at its smallest point.
Don't have back to back's as the modified set is going on my engine..... when it comes