Hey, im new to the forum but have been coming here over the past month and what ive read from your posts you seem very knowlegable about 370z, i am looking for an aftermarket exaust system and cold air intake. Do you have any sugestions. What do you think about the GReddy Spectrum Elite SE or the borla cat-back. Also what do you think about the takeda cold air intake. If you have time to awnser me any advice would be greatly appreciated. Thank you.