For 04 LS1 GTO
05-06 just increase everything to 4"

LS1GTO.COM

 

 

 

Parts list
All parts sourced from http://intakehoses.com

3x45* angles (3.5"ID)
1x90* reducing angles (4" to 3.5")
Intake Tubing 12" long, 3.5" OD
Clamps
1- 4"
1- 4.5"
6 - 3.5"
4 1/4" hole saw 
3.5" Inlet K&N style Cone Filter
for 05-06 just use 4" on everything

 tony@hardcore-pc.com



LS1GTO.COM