Looking at their website I do like that they really stand behind their product. I'm not really looking to install a full CAI. I have an FI exhaust and I wasn't planning on doing anything more as far as performance goes..but these filters just look like they are a nice simple minor performance mod. I have an extended warranty also so a simple mod like these filters is appealing. If I tracked the car or just used it on weekends hell I'd probably have a twin turbo in it, but I dd my Z so I'm not going too crazy. I think I'll take a trip to auto zone tomorrow and at least take a look at them. Which means I will probably buy them
