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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
4.6 out of 5 stars
stars
43 ratings43 reviews
  1. 5 stars79% (34)
  2. 4 stars12% (5)
  3. 3 stars5% (2)
  4. 2 stars2% (1)
  5. 1 star2% (1)

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Showing 1-10 of 43 reviews
Mar 3, 2026
Reviewer name: CheriC
5 out of 5 stars
5 out of 5 stars review

Heavy duty, you can grill, roast, smoke, griddle a

[This review was collected as part of a promotion.] This is a heavy duty unit that does so much, its amazing! You can grill, roast, and has a spot for pellets that feed into it so its a smoker. You can use as a griddle or even a pizza oven however the griddle and pizza stone are sold separately but still how awesome is that. It will offer information on the screen that is very helpful such as close the lid when it time to heat up the inside, it shows the temperature as its heating and flashs what your temp you set it for. All options are clearly marked on the cooking unit so it easy to use. The instructions to put it together are very good, it also provides a link to a 3-D video which helped a lot. All the parts are lettered and they even include the tools needed. It will take two people to lift it up onto the frame other than that part it took about an hour all together to get it up and running. We are over the top happy with this and can't wait for spring and summer we will use to cook everything. I highly recommend this Ninga Flexflame outdoor cooking system.

Review from influenster.com
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Sep 21, 2026
Reviewer name: KristenT
5 out of 5 stars
5 out of 5 stars review

A versatile outdoor cooking system that makes cooking more convenient.

I really like the Ninja FlexFlame Outdoor Cooking System. The design is sleek and practical, and it's nice having a cooking system that can handle different outdoor cooking needs. It feels sturdy and well made, and the setup is pretty straightforward once you get everything in place. I also appreciate that it's designed to make outdoor cooking more convenient without needing a bunch of separate equipment. Cleaning may take a little extra time after cooking, but overall, it's a great option for outdoor meals and gatherings.

Review from influenster.com
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May 31, 2026
Reviewer name: MaryPat
5 out of 5 stars
5 out of 5 stars review

I absolutely love this product. I was able to use it at a friend's house and tried to steal it! LOL! truthfully, I would never do that to her but I was very jealous and has been trying to get one of my very own so now that Sam's Club has them I believe this will be my next big purchase. might have just about everything ninja has put out and when the food came out I'm on my fifth one because I used them so much that I blew up the first two. I've never been disappointed by any ninja product and if you're interested in a grill then I suspect this is the place you want to be! it also comes with two griddle inserts which makes life even better. please do your research because I did mine and I decided that this is definitely my next purchase. until then I'm always over at my girlfriend's house bugging her to death and using hers. I hope this helps you make the correct decision for you.

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May 4, 2026
Reviewer name: PriscillaB
5 out of 5 stars
5 out of 5 stars review

Conventional

I never received through influenster but I was really good at convincing my family that we needed to get one. It was a fairly easy process to assemble so don't be intimidated. One of the features I love is the temperature control you get the benefit of cooking like you would if it wan an oven BUT it's grilled. Yes read that again!! This was pure genius.

Review from influenster.com
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Feb 18, 2026
Reviewer name: YvonnyJ
5 out of 5 stars
5 out of 5 stars review

Family loves it!

[This review was collected as part of a promotion.] Super excited to have received this! With installation I had my husband from me. It definitely took an hour. We used the mobile app to help but there was some differences between the app and paper instructions. It had to do with the control panel, it was already put together but on the mobile instructions it was making it so that we needed to screw that part together. We chose to bypass the app and just finish off with the paper instructions. It was nice that they offered the app as well though. This grill uses propane but also needs to be plugged in because it has an electric component. So far with the grill we are liking the temperature control, and that it shows 2 or 3 burner to be used. The temperature has also been super consistent which allows the food to be cooked evenly. We've cooked chicken, hamburgers , and steaks so far with this multiple times. The steaks being my favorite because of the flavor it gave the meat. The seasoning was still on there and tasted so good! We do enjoy making pizza as a family so the fact that it has the option to do that, is awesome and we will definitely be utilizing that in the future. Another aspect to this grill is that it has pellets so you can fill up the box with those if you'd like. We have used them but felt it would be best if you want to smoke some meat that wouldn't take too long because it would burn through the pellets rather quickly. If you're solely looking for a smoker grill, I would think otherwise. This is a great grill that kind of does a little of everything! It also has the option to use as a griddle which is what my husband is stoked about, we just need to purchase the griddle attachment separately for it first. All in all we've really been enjoying having this grill in our back patio!

Review from influenster.com
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Feb 21, 2026
Reviewer name: CrystalR
5 out of 5 stars
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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Mar 2, 2026
Reviewer name: SharlaC
5 out of 5 stars
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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Review from influenster.com
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Feb 16, 2026
Reviewer name: CrystalN
4 out of 5 stars
4 out of 5 stars review

Powerful beast!

[This review was collected as part of a promotion.] The Ninja FlexFlame grill is such a powerful beast with so many possibilities. It has a lot of features that may require a learning curve, but the sky is the limit for what you can do. Sometimes that may have you spending more on accessories though (pizza stone or griddle) but the base build is decent to get your started with grilling and smoking. The grill is a nice size with built in storage and wheels for ease of movement. It arrives in a big and heavy box. The instructions are easy to follow to build it (use the videos), though it'll still take about an hour to put together and likely will need two people to put the grill top on the stand. Using the grill will require an extension cord to plug in the electric components (igniter, fan, temperature control). The cord that comes out from the grill is very short. Seeing as it's an outdoor grill with electric components, I went ahead and bought a cover for it to be safe. The propane grilling aspect of the Ninja Flexflame works as expected. The smoker with the included wood pellets is a nice touch have but the pellets burn very fast! And then you have to get more pellets. It takes some fine tuning to be able to do what you want. Overall, I do enjoy how sleek this grill looks and what I can do with it. It just requires time and some more tools/accessories to do it all.

Review from influenster.com
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Aug 4, 2026
Reviewer name: Hatrel
3 out of 5 stars
3 out of 5 stars review

Great grill but…

When I bought this grill, it was wonderful was met everything all the expectations that I had except that it was covered in stickers that when I took them off, it left behind significant sticker residue that I have not been able to get off in a year. it's extraordinarily frustrating because my beautiful grill is covered in nasty sticky, residue covered in dirt and other things that now stick to the sticker residue. It's very disappointing that these were not just basic clings that could easily be removed instead my grill looks like garbage.

Review from sharkninja.com
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reply from SharkNinja

Hi there, Thank you for taking the time to leave a review. We're sorry to hear about your experience and understand how frustrating it must be to have sticker residue remain on your grill long after purchase. To help remove stubborn adhesive residue, you may wish to try products such as Goo Gone, isopropyl alcohol, or Dawn Powerwash. Applying the product and allowing it to soak for a few minutes before gently wiping the area may help loosen the residue. We appreciate your feedback regarding the stickers and will ensure it is shared with the relevant teams for review, as we understand how disappointing it is when a product's appearance is affected in this way. If you need any further assistance, please contact our Customer Support team here: https://support.sharkninja.com/contact-us Kind regards, Ninja Kitchen

Jun 10, 2026
Reviewer name: Michelle
2 out of 5 stars
2 out of 5 stars review

Description deceiving

We haven't used this grill for cooking yet, but, in the description it says Sam's Club bundle includes a pizza Stone, folding rack and griddle are included and it's not in the box and it doesn't look like it's included because it says on the box that they are sold separately. I would've bought straight from ninja if I had known that those items were not included.

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reply from SharkNinja Product Expert

Hi Michelle, Thank you for your feedback. We’re disappointed to hear about your experience, especially with the bundle contents not matching what was expected from the Sam’s Club listing. We also understand how frustrating that must be, particularly when it influenced your purchase decision. We will absolutely share your comments with the relevant teams for consideration on future products, and we hope you’ll give our products another try in the future. If you have any questions or need assistance, please call our support team at 1-800-365-0135, Monday to Friday, 9 a.m. to 9 p.m., and Saturday, 9 a.m. to 6 p.m. Best regards, Ninja Kitchen