K&N Cold Air Intake System: High-Flow Air Filter, Increase Performance & Acceleration: Compatible with 2008-2020 Infiniti/Nissan: G37, 370Z, 69-7078TS

High quality product. Instructions were pretty detailed throughout the entire install. No unique or special tools needed for anything. Detailed instructions a big plus on how to remove the Stock Intakes piece by piece and into installing the Typhoon kit. One thing that varied from the instructions was that the passenger side vent hose didn't need the 7" vent hose and I had to measure and cut that down to fit. Everything else was as specified in the directions. Took approximately 2.5 hours as I though I had misread or misplaced a part when the instructions indicated to install the 7" vent hose. Checked on a pretty popular Z forum the370z.com and this issue was verified by others. I didn't take it to have a Dyno done before or after but the car really feels that its gained some power and torque. Stock exhaust for now but considering AAM Short tails or an Fast Intentions - 12 res one. Definitely love the deep growl it gives and really hear the sound increase around 4k+ rpms. Amazon has the best price right now that I could find with my PRIME shipping! Great performance mod to start off and really easy to install. Since I can't 4.5 Stars because of the slight confusion in the instructions it gets 5 Stars! Awesome Intake Kit for Price, Value and Ease of Install!

Very easy to install, take your time, be careful especially with the air sensors, as they are directional. But I didn't use the 2 plastic 90° elbows, I bought 2. 1/4" pipe plugs. And I also bought all the necessary pieces for a PCV delete, as I highly recommend you guys do the same, as now your new intakes kit will pull in allot more air, thus creating allot more vacuum, resulting in engine oil being pulled in through your pcv valves ( you have 2 - 1 on each valve cover ). You will need 2 size 8 AN fittings to thread in place of the removed PCV valves you should take out. And you will need 2 size 8 AN 90° elbows and 2 tiny air filters that will vent out atmospherically, 2 vacuum 1/4" hose caps for the 2 ports on your intake planum as well as 2. 1/2" vacuum hose caps- 1 each for either side of your valve covers for the port tube formed on top of the backside of each valve cover to plug all vacuum ports. Like I said very easy to do, there is instructions that are very discriptive and detailed. Another contributing factor as to why I bought this kit is for 2 reasons. 1.) K&N promised at least a 15hp gain. 2.) K&N promised also they will step up to the plate and go to bat for you if Nissan tries to negate your manufacturers​ warranty as long as their product is on your car, and there is a D.T.S codes relative to intake and air fuel mixture's codes. Now as far as cool factor, This kit looks badass and makes the engine sound more aggressively. Good luck. Enjoy your car. Be safe. ** First photo is after I put in the PCV delete, and second photo was immediately after initial K&N install.**

Wish I could give this product zero stars. All the products on the market this is by far the worst one. Welds on the pipes were jagged. Inside of the pipes was not clean at all. The welds melted through. Nothing on the inside of the pipes was smooth. For a product that claims to get more air to your intake faster. There was a surprising amount of jagged edges and slag from the welds in there not being smooth for air to pass over. On top of all that the threads in the pipes were not clean so when the plastic adapters threaded in they immediately got cross threaded and snapped off. They also used a thread measure that was uncommon. Couldn't even find a tap, to dig the plastic out and reset the threads, anywhere at shops around town. I put in an exorbet amount of time energy and money into making this setup work so I didn't have to return it, but in the end I had to. I'll never buy K&N again. Horrible product. Do your research. Intakes are simple and if you look into it there are a bunch of better quality products for a lot less money that perform exactly the same if not better.

Awesome kit, looks great, helped with HP a little and sounds really good to hear lil red breath deep. My son and i installed the kit, and for the most part went smoothly. I did get the wrong size filter for one side. That was a pain.

What an awesome product from K&N. Affordable, noticeably better throttle response, sounds mean when you gun it, super easy to install. It took me about an hour to install outside in the freezing cold. I also noticed a slight horsepower increase-nothing crazy though. The 370Z is a really fun car to drive, even more so after you add this intake. K&N claims 14-something HP gain...I believe it, although I haven't Dyno'd the car. I researched multiple intakes for this vehicle and it is definitely the best bang for the buck. Do yourself a huge favor and try it out-you will not regret it. Also, looks really nice after installation.(Haven't noticed better MPG because I've been driving the car like an animal.)

This is definitely worth the money. It adds much needed horsepower when at higher speeds for passing/acceleration. Plus it just sound so cool. I don't know how it can make such a difference in sound but it does! Makes it sound like a race car...once you get over 3,500 rpm or really get on it. Only thing is that the kit comes with lots of parts. The paperwork is step by step but not that easy to understand (unless your a mechanic). Youtube videos say a hour and half install. That would be if you knew exactly what you are doing. Here is what I did. I bought the refurbished one from amazon. It comes packaged as brand new. I am almost positive it was brand new. Someone probably opened it up and decided it wasn't worth their time to try install themselves, and dealers are going to charge $$. I bought the refurb for 220.00 instead of the normal $298. Then I paid a mechanic to install, which came to $115 with tax. It was worth my time. Plus you have to unhook stuff on your engine and possibly reset codes on your care since you have to unhook the negative side of your car battery. I can never stand driving or looking under the hood of a 370z without this installed!!

I'm not sure I'm happy with this purchase. Cons: There are certainly no noticeable gains in power or torque. I've noticed a small decrease in fuel economy about 2mpg for my 370Z. While the engine sound is certainly much louder at higher throttles, the sound isn't very refined. I really don't see how the heat shields will block any heat since they do not create a great seal between the filters and the engine. The tubing also wasn't as nice as I thought it would be. The interior (where it all matters) had noticeable overlaps between the sections of tubing, creating very rough transitions. I have not retuned my vehicle since adding these intakes and have not had it dyno tested so take my criticisms for what they are. Pros: The install was fairly straightforward and I am by no means a mechanic. The install took me about 3 hours but I wasn't exactly rushing through it. The instructions were very helpful with decent pictures and descriptions of each step. All of the parts were packaged well and no defects from shipping were noted. The filters seemed to be very high quality

For now I'm just reviewing the installation of this intake. To start, I am not mechanically inclined and rarely do any work on my cars. With that said, I can read instructions and K&N's were step-by-step and easy to read. A couple sockets, screw drivers and pliers are all you need. The install on my 2011 G37 Coupe took about 2 1/2 hours, but mostly because I just wanted to be careful and make sure everything was correct. There were two small issues that some others have mentioned as well. First, the hose that connects the passenger side valve cover to the vent port on the intake tube was too long and no matter what adjustments I made, it kept kinking. I had to trim and reinstall it several times until it was a length that would not kink, which by then made it difficult to install. This probably added 1/2 an hour to my install. Second install issue was not a big deal, but since it was the very last step before you can sit back and admire your work, it was a little disappointing. When I went to re-install the engine cover, it does not clear the driver's side heat sheild, but rather has to sit on top of it. Still able to reattch the cover, just doesn't look as clean as I'd hope. Will give K&N's tech support line a call one of these days just to make sure it wasn't operator error. Otherwise, sounds great and at the very least gives you the illusion of more power. I'll update this review after having some time with it.