Doug Thorley Headers start up, rev, and drive by videos!
 

Ok, lol, these sounds incredible.

I know most won't run straight pipes but you guys gotta here this.



32HP gain/35 ft lbs of torque! He's also getting 2 more mpg with the 35" tires and 5" lift. It's a monster truck.

http://im.toyota-4runner.org/attachm...vsshorties.jpg

Doug Thorley 03-04 headers ORDER LINK

Doug Thorley 05-09 headers ORDER LINK