First off I have a 2000 l 9000 miles I will not chip it. With out a chip will a new air setup do anything at all?

 

The blower will sound better, maybe a slight gain in hp/mpg. Put a lower pulley on. You will be amazed.

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2000 Silver Lightning 13.16 (so far)
PSP 4-way
PSP Filter Kit
PSP Lower Pulley
Level 10 Shift kit
F-250 Trans pan
MagnaFlow 12468
Snug-Lid

I feel a 12.xx coming on.

Team PSP West