Originally Posted by Pathfinder 4X4

I've seen some real world dynos of the 16G kit putting a solid 620 HP on the ground with supporting upgrades, and they have plenty more beyond that. I've not seen any real world dynos of the 18G kit, but the price difference between the 16G and the 18G kit seems too much for the gains. Greddy's prices have gone through the roof the last couple months, so I'm glad I bought mine when I did, because they're over $1000 more now.

http://www.zmods.org/index.php?board...ay;threadid=89