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Customer reviews for Ninja™ FlexFlame™ 5-in-1 Propane Gas Outdoor Cooking System for
Ninja™ FlexFlame™ 5-in-1 Propane Gas Outdoor Cooking System
4.7 out of 5 stars
stars
41 ratings41 reviews
  1. 5 stars80% (33)
  2. 4 stars12% (5)
  3. 3 stars2% (1)
  4. 2 stars2% (1)
  5. 1 star2% (1)

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Showing 31-40 of 41 reviews
Mar 3, 2026
TeresaG
5 out of 5 stars review

Best grill ever!

[This review was collected as part of a promotion.] Our Ninja FlexFlame Outdoor Cooking system has been the best grill we have ever owned. We love its multi product features. It is very high quality and was easy to put together. We will definitely have this grill for many years to come!

Review from influenster.com
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Feb 16, 2026
BeckiJ
5 out of 5 stars review

Absolutely amazing grill!

[This review was collected as part of a promotion.] This is a very versatile grill that will grill, bake, smoke, and griddle. The set-up instructions were very organized. It did take about an hour to assemble, and having some mechanical skills is helpful for assembly. The only real issue in putting it together was that the screws that hold the control board in place by the right tray have one bolt that is difficult to install, as it's obstructed. Overall, it is a very sturdy grill with a nice storage area and locking wheels, making it easy to pull out to use and put away when done. It's very easy to use, and my teen son has really taken to cooking his own meals on it. Pizza has been his favorite, and I purchased a pizza stone to facilitate that. The pizzas turn out delicious. The smoker pellets are nice. It takes about 5-10 minutes to get them going. They do work best for cooking longer than 45 minutes and add a nice amount of flavor when doing so. When the lid is closed, the fan creates a convection oven state. This allows it to heat up quickly, allows for a consistent temperature, and leads to really even cooking. If you leave the lid open, the fan shuts off, and you can use it like a regular grill rather than a convection oven. It didn't come with a griddle, so we haven't been able to try it yet. It has 4 cooking cycles on the settings, which allow you to do anything from slow cooking a roast or allow for a quick cooking situation for hot dogs and hamburgers. It uses both propane and has to be plugged in. The built-in igniter is quite handy. Also, the secondary rack is easy to remove for a larger cooking area. It has 3 burners that can be used in any combination, allowing the cooking of different items at the same time, like meat and vegetables. Other nice qualities include: 1. The spacing of the grill slats is close, allowing for less food to fall through. 2. It has a very large oil trap, which is nice compared to all other grills I've used. 3. This is one of the best grills for even cooking grills that isn't an infrared grill. Ultimately, I am very pleased with this grill. It's honestly the best one I have ever owned.

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Jan 26, 2026
amaranara_marie_4970
5 out of 5 stars review

We are loving it!!!

[This review was collected as part of a promotion.] Great for cold temperatures. Heated up so fast. The ninja doesn't have a smart app so we are having to use a smart thermometer to help with that. You would hope it would be included for such an expensive piece. Our traeger had it however that sucker took forever to get to temp so each have their pros and cons. We are so happy with this and cannot thank Influenster enough. It's gonna be well used. Also, this thing is a beast haha was not expecting it to be this big.

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Feb 9, 2026
Taryn M
4 out of 5 stars review

Great all around option

[This review was collected as part of a promotion.] This cooks nice and even due to the convection. It cooks fast when you want it to but great for using low and slow for barbecue. The wood cup needs to be bigger so it doesn't need refilled every 30 minutes. Good size and easy to use.

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Feb 10, 2026
AllyH
5 out of 5 stars review

Love it!

[This review was collected as part of a promotion.] Very easy to put together and shipping went well. I'm not used to a high tech grill but its super helpful that the start up instructions were printed on the front, it made it super easy to get the flame roaring. Once it started, it was super easy to dial in the temp and keep things running. You can even see exactly what temp the grill is at! And it's not too too big.

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Feb 21, 2026
CrystalR
5 out of 5 stars review

Excellent and accurate grill

[This review was collected as part of a promotion.] This was an excellent experience right from setup clear into cooking. The setup was so easy, everything was wonderfully labeled, the instructions setup so easily to move you into the next phase. What made this so unique to use is the burners turn off and on by themselves and the convection fan keeps a constant temp. With all of these features I was able to cook a whole 10lb chicken in a matter of 2hrs Fully cooked and lovely flavor with out drying out. The adjustable smoke flavor is so accurate The burners switch off and on making the propane use more efficient. The grill itself was easy to wipe and clean up, wonderful machine to use With the effiency of this grill it cuts cost of propane and smoker pellets as well For large grillings this will be an accurate grill that no one is waiting too long

Review from influenster.com
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Feb 5, 2026
Cheyenne B
5 out of 5 stars review

I am obsessed!

[This review was collected as part of a promotion.] I was thrilled to get the opportunity to try out this product. I have been looking into a new grill for years, and trying to decide if I just wanted a smoker. I was offered this multipurpose grill from Influenster and I couldn't be happier. This grill does it all! I have smoked chicken, pork, tri tip, and even some veggies the first week I got it. I have tried multiple options and played with a bunch of the settings. Everything has been so user friendly and so successful. I am in love with this grill. My old basic grill was confusing with little pictures on the dials and was impossible to control the temperature. This grill is incredible, give you a thermostat to choose whatever temp you want and you can smoke in multiple cooking methods which is awesome. The smoker pellet catch is small, but it doesn't bother me, easy to know if you need pellets without having to look since you just fill before use. Each time I have smoked anything it just uses 95%+ of the pellets so I just refill each time without having to think. So far it's easy to clean and maintain. I was so thrilled when it arrived I couldn't wait to put it together. I singlehandedly put it together in 30 degree weather with wind. It was relatively easy to put together, but I will say some of the instruction visuals are pretty odd/not easy to understand. They could put a little more effort into the visuals and instruction book, but the QR link to videos came in handy. It comes with a start guide with a few recipes to get you going quickly. I have already recommended this grill to multiple people. It is AMAZING!

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Mar 2, 2026
SharlaC
5 out of 5 stars review

Wonderful Grill!!!

[This review was collected as part of a promotion.] We have been blessed with this Ninja grill! It's very sleek and attractive on our patio! It's also very good quality. It's light enough for me to move around if needed. It's got the wood chip smoker and came with 2 bags of wood chips! It does plug in to display the inside temperature which is something our older grill does not have. You have the propane compartment underneath and room for other products! You can smoke a pizza, and it has the slow cooking options. We cooked 3 meats: salmon, lamb, and steak together and they all turned out perfectly. Using the propane, our dinner only needed about an hour for everything which is much faster than our older grill. My husband loves it!! Overall he gives the grill and performance a 12 out of 10. He loves it that much 😊 Setting up was challenging though and he gave that process a 6 out of 10. It took him about 5 hours to do and he's experienced with building off of instructions and this was due to the drawings not always being clear. The instructions were great in that each step had its own separate package of tools so you don't need to worry about missing a part. After set up, he easily put the propane tank on and rolled the grill into place. He set the temperature he wanted it at which is a luxury we aren't used to. The power lowers when you open the grill, probably to save energy, then it picks up when closing the lid. One thing I'm not a fan of is the noise it creates, a humming noise. But it's due to the fact it's electric. We can easily overlook this though for the convenience and time saving this grill provides. I wanted to post more images and videos, but the ones we posted clearly show the beauty and ease of use. We absolutely love this grill and would recommend to anyone.

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Jan 27, 2026
meggy_gal_7851
3 out of 5 stars review

Easy use

[This review was collected as part of a promotion.] Love Ninja products!!! The size is comparable to a regular gas grill. But this can do so much more. It is very easy to assemble and doesn't take much to start up.

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reply from SharkNinja

Hi there, Thank you for taking the time to share your feedback. We’re delighted to hear that you’re enjoying your FlexFlame and that its size and versatility have made a strong impression. It’s great to know that the assembly and startup process were both easy and that the grill is delivering the performance you expected from us. We truly appreciate your support and are glad to have you as part of the Ninja community. Sincerely, Ninja Kitchen US

Feb 23, 2026
GianniC
4 out of 5 stars review

Very impressed

[This review was collected as part of a promotion.] This outdoor cooling system is amazing. The design is nice and sleek, and it can do so many things. From grilling to smoking to pizzas. I love it! The food comes out great!

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