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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
42 ratings42 reviews
  1. 5 stars79% (33)
  2. 4 stars12% (5)
  3. 3 stars5% (2)
  4. 2 stars2% (1)
  5. 1 star2% (1)
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Showing 1-10 of 42 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 sharkninja.com
Helpful?5GNNLXGWFZTD19981122754
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.

Helpful?5GNNLXGWFZTD19981122754
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
Helpful?5GNNLXGWFZTD19981122754
Jul 10, 2026
Reviewer name: D408
5 out of 5 stars
5 out of 5 stars review

Awesome all in one grill

Great grill have had it for a couple years N love versatility of it!!! Everything you need all in one, temperature control, smoker, crisper, pizza oven all cooks with consistency !!!

Review from sharkninja.com
Helpful?5GNNLXGWFZTD19981122754
Aug 1, 2026
Reviewer name: MelissaQ
5 out of 5 stars
5 out of 5 stars review

Great grill

[This review was collected as part of a promotion.] Excellent grill, super easy control panel. Does need to be plugged in to work but not a big deal. Build was easy and the smoke feature is great. Heats up quickly, easy to clean.

Review from sharkninja.com
Helpful?5GNNLXGWFZTD19981122754
Feb 26, 2026
Reviewer name: JenK
5 out of 5 stars
5 out of 5 stars review

The best brand I’ve ever purchased!

[This review was collected as part of a promotion.] I have never been more excited for ninja to come out with a grill! I started to put this bad boy together and we got a huge snow storm so it’s halfway done. The features on this thing are endless! Can’t wait to have friends and family over for a cookout!

Review from sharkninja.com
Helpful?5GNNLXGWFZTD19981122754
Feb 1, 2026
Reviewer name: lys2312_13
5 out of 5 stars
5 out of 5 stars review

Amazing!

[This review was collected as part of a promotion.] Great bbq! The quality is very good and the setup was super easy due to the step by step instructions and the parts broken out by steps. The capacity and size is very large so you can cook a lot of food at once. Highly recommend!

Review from sharkninja.com
Helpful?5GNNLXGWFZTD19981122754
Feb 20, 2026
Reviewer name: SariahD
5 out of 5 stars
5 out of 5 stars review

Excellent backyard addition

[This review was collected as part of a promotion.] I’ve been using the Ninja FlexFlame Outdoor Cooking System for a little bit now and honestly it’s been way easier than I expected. I wanted something that could handle quick weeknight cooking but also still feel like a real grill when we actually want to cook outside and relax. The biggest thing I noticed right away was how evenly it cooks. No chasing hot spots or constantly moving food around trying not to burn one side while the other barely cooks. Steaks came out with a really solid sear, and veggies didn’t turn into charcoal like they usually do when I rush things. Startup is simple — turn it on and you’re cooking. It heats up fast, and once it’s hot it stays consistent. I also like that cleanup isn’t a whole production. After everything cooled down it wiped out pretty easily, which makes me way more likely to actually use it during the week instead of just weekends. Overall it feels sturdy, cooks evenly, and doesn’t require babysitting. If you want something straightforward that still performs like a legit outdoor cooker, this one’s been a solid addition to the backyard.

Review from sharkninja.com
Helpful?5GNNLXGWFZTD19981122754
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
Helpful?5GNNLXGWFZTD19981122754
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

Jul 12, 2026
Reviewer name: Foobear
1 out of 5 stars
1 out of 5 stars review

Sucks really loud

Sounds like an airplane can’t be near it on deck too loud! Can not hear music or conversation waste of money! Glorified convection oven air fryer! Worst design ever! Too loud

Review from sharkninja.com
Helpful?5GNNLXGWFZTD19981122754
reply from SharkNinja

Hi there, Thank you for sharing your feedback. We're sorry to hear that your experience with the FlexFlame has been disappointing due to the noise level. We understand how frustrating it can be when you're trying to enjoy music or conversations outdoors and the unit is louder than expected. We'd like the opportunity to troubleshoot this with you and ensure your FlexFlame is operating as intended. Please reach out to our team using the link below so we can take a closer look and assist further: https://support.sharkninja.com/contact-us We appreciate you bringing this to our attention and hope to help improve your experience. Warmly, Ninja Kitchen