This is a list i have started to create of the mods the we can do to our trucks. please feel free to add to this list or comment on the parts. The prices posted are not the cheapest i found, by no means, just a bais to go by.
airraid intake
http://www.performanceproducts.com $283
helix power tower
http://www.performanceproducts.com $103
jet shift command
http://www.performanceproducts.com $150
jet 2000 speed control unit
http://www.performanceproducts.com $160
jet power module Stage 1 (stock)
http://www.performanceproducts.com 300
jet power module Stage 2 (exhaust/headers)
http://www.performanceproducts.com $287
JBA Header 99-02
http://www.stillen.com $371
hypertech ht30008 programer
http://www.stillen.com $327
poweraid TB Spacer
http://www.truckperformance.com $101
Taylor Full metal jacket ignition wire set
http://www.truckperformance.com $100
Perma-cool Cool pack 2, 14" Electric Fan Unit
http://www.truckperformance.com $580
Super Chips Inc, GM Max Micro Tuner
http://www.truckperformance.com $379
MSD 6A ignition
http://www.nipponpower.com 200
Trans-Go Shift Kit 4L60e
http://www.tbyrnemotorsports.com 110
B&M Shift Improver Kit
http://www.truckperformance.com $35
B&M Transpak
http://www.truckperformance.com $69
Jet Electronic Shift Improvement Kit
http://www.truckperformance.com $121
Centerforce Steel Performance Flywheel
http://www.truckperformance.com $237
Jet 4L60E Billet Powr-Servo
http://www.truckperformance.com $84
Jet 4L60E 4th Gear Servo
http://www.truckperformance.com $76
Volant Premium Cool Air System
http://www.truckperformance.com $277
MARCH PERFORMANCE Power & Amp Series Serpentine Pulley System - 2 Piece Steel
www.truckperformance.com $100