Magnaflow Catbacks for your 2004-2006 GTO ON SALE!!
For the LS1, 5.7L guys: part #15868 retails for $1037.64, ON SALE FOR $PM ME!
Gain 11HP and 11ftlb of Torque!
http://www.magnaflow.com/02product/dynos/15868.jpg
For the LS2, 6.0L guys: part #15892 retails for $1037.65, ON SALE FOR $PM ME!!!
Gain 9HP and 14ftlb of Torque!
http://www.magnaflow.com/02product/dynos/15892.jpg
add $25.00 for shipping to the lower 48.

pic of LS1 system.
Last edited by torchdc5; Nov 4, 2008 at 11:02 PM.



