Also they are taking names for pre-order and i believe the first 10 people will be receiving a nice discount near a thousand dollars if im not mistaken. The stillen kit with a custom tune and all the supporting mods you can throw at it will net you just over 400whp depending on the dyno used and environmental conditions like temperature and humidity. There are some guys reaching around 500whp using a forum member's air to air conversion kit that modifies the stillen kit from the air to water system that's sold with it from stillen. Stillen's kit is around 6-7k and with supporting mods and custom tune can easily cost over 10k. While the stillen kit has been on the market and made to work like an oem system it's been known to cause problems as severe as a blown motor or trans. The new whipple kit is supposed to be in the sub 10k $ range and offer a diy installation and near 600whp power levels from the stage one kit. There will be 3 stages to the whipple kit which is 1...1.5...and stage 2. I believe the difference in the stages as far as the kit itself goes is mainly the size of the pulley used but obviously depending on your power goals you will need to upgrade your fuel system and possibly the internals of your bottom end. You should ask rj manufacturing about all the details as i am just a customer not an employee. My info may not be 100% accurate but i think im pretty close. Just trying to help a fellow forum member. I have nothing to lose or gain by you going either way after all i currently have the stillen kit because I prefer the power band of a supercharger to a turbo kit. Im going with the whipple kit now because i can finally reach the big power goals I have that i couldn't reach with the stillen kit
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