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Description
Glacier Diesel Power Mega-Flo Grid Heater & Air-Boss Plenum Package 13-23 Ram 6.7L CumminsSay goodbye to hard starts and restricted airflow with the Glacier Diesel Power Mega Flo Grid Heater and Air Boss 67 Plenum Package for your 20132023 Ram 6. 7L Cummins. When youre dealing with frigid morning starts or chasing cooler EGTs and better throttle response, this setup has you covered with two heater options and the high flow Air Boss plenum upgrade in one streamlined package. Choose from either the SD or HD heaters, both heaters are fully
Say goodbye to hard starts and restricted airflow with the Glacier Diesel Power Mega-Flo Grid Heater and Air-Boss 67 Plenum Package for your 2013–2023 Ram 6.7L Cummins.
When you’re dealing with frigid morning starts or chasing cooler EGTs and better throttle response, this setup has you covered with two heater options and the high-flow Air-Boss plenum upgrade in one streamlined package.
Choose from either the SD or HD heaters, both heaters are fully emissions-compatible and deliver class-leading heat output for consistent, reliable starts in any weather.
- Standard Duty Single Element heater, ideal for those in milder climates who need occasional cold-start support.
- Or go all-in with the Heavy Duty Dual Element version, perfect for extreme cold environments and northern climates where dependability is everything.
Paired with the Air-Boss 67 Grid Heater Delete, this package takes your intake airflow to the next level. If your EGTs are creeping too high or you're not getting the full benefit of your fueling upgrades, the Air-Boss 67 is the answer. It's not just a flat plate delete, it’s a billet aluminum, internally elevated plenum cover that’s precision machined to flow maximum air, especially to cylinders 4, 5, and 6 where airflow typically suffers. Glacier engineered this plenum to gain a full .220" of internal height, all while retaining the use of factory mounting hardware. The result? Significantly increased airflow, better fuel utilization, and cooler exhaust temps without major head work. Compatible with all stock-style intake manifolds, the Air-Boss 67 is the most effective grid heater delete upgrade available short of milling your intake plenum.
If you're after cold-start confidence, serious airflow gains, or both, this package delivers.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Very comfortable
Great chair, simple assembly that took ~20 minutes. Very smooth height adjustments, even has a rocking function. Very sturdy and the build quality seems good. Breathable fabric for the back and good quality leather for the seats.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Great value high quality
The chair is very comfortable, even during long hours of work. The cushioning provides great support, and the ergonomic design helps maintain a good posture throughout the day. I also appreciate the adjustable features (height, armrests, and tilt), which make it easy to customize to my preference.
Overall, this is a great value for the price. If you’re looking for a reliable, comfortable office chair for daily use, I would definitely recommend this one.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Great chair with one caveat!!
I ordered this chair to replace my previous computer chair that lacked back support and was generally uncomfortable, and I am very glad I did!!
I was looking for this style of chair and was looking over a few different similar options on Amazon. I did look outside of amazon as well, but Amazon had the best prices in my opinion. I was hesitant on each selection due to either pricing or reviews that scared me away. I ended up going with this one since they were offering a deal on the red and black one - as soon as I saw that, I was sold! I believe it was a middle of the pack price for comparison.
Overall, I really like the chair, but it does come with one warning I will share below:
**DELIVERY** 10/10
I ordered this chair and though I think it did say it was PRIME eligible, it showed that the delivery as a future date that was about two weeks out. I am impatient and entitled, much like most of us Primers, haha, but due to the deal, I bit the bullet and ordered and made myself forget about it since it would be a bit. MUCH to my surprise, it showed up a few days later at my doorstep!!! I was really excited!!! A+ on this category!
**PACKAGING** 9/10
After reading some reviews that stated that the packing was rough, I'm not going to lie, I was expecting a mangled box to be at my front door. Also to my surprise, the box was perfectly fine! Maybe this was feedback that the distributor took and made the necessary changes? I don't know, but everything arrived undamaged in terms of the box. I deducted one point because one of the armrests (left side) had a "chunk" that lifted off the top a bit. To try and describe it, the armrests are like a hard foam, and best I can describe, it was as if something nicked the top flat surface of it and peeled back a small chunk, about the size of a pea. I pushed it back down and it sat. I forgot about it until writing this, and now cannot find it.
**ASSEMBLY** 8/10
Assembly took about 45 minutes to an hour or so. It could have gone faster, but the screw hole on the back rest was crooked, so when attaching the back rest to the seat with the supplied bracket, I kept having trouble and eventually had to remove the back rest completely to try and see what was going on. The screw hole was slightly tilted which was making it hard to thread. Once I saw what was going on, I was about to put the screw in with that in mind and just came in at a slight angle. Everything else was pretty straight forward!
**LOOKS** 9/10
This chair looks really cool. That said, I am in to cars and making them fast/cool, so I do have a bias. The only thing I don't care for as much are the wheels - as much as I love making cars look cool, I thought it was a little corny for computer chair wheels, lol. I don't notice it as much now that it has been assembled, though.
**FUNCTION** 10/10 with one warning
As I said, my old chair sucked, so this is in comparison with that chair. When it comes to function, this hit all the boxes for me. The material is soft and comfortable. The seat cushion is good for me, but I am 145lbs, so not sure how it would fair for a large individual. The chair is pretty wide so I think it would fit a larger person just fine, plus the arm rests can swivel and lock into three different positions - straight, pointed outwards, pointed inwards. Having them pointed outwards allows me to rest my elbows on the backs of them while gaming or working. The back support piece is SUPER helpful for me. It can be re-positioned easily and stays in place. The headrest is nice for neck support, but doesn't stay in place as well and can sag down, but not a big deal.
The warning I was talking about is actually a perk of functioning, but not for me in one instance. Yes, the chair reclines all the way back. Even better, it doesn't tip while doing it, which I thought it surely would laid all the way back. The problem for me is that I was on a work zoom meeting that didn't require the camera on, I reclined all the way back and was "listening." I woke up later :-/
Good chair, I would recommend it!
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Reviewed in the United States on August 3, 2020
★★★★★ 5
Outstanding Chair
Color: Matte-black
This is an outstanding chair.
It’s very well built and has handled up to 300 lbs. with no issues after a couple of weeks of use. The engineering is excellent, the assembly was straightforward, and everything fit together exactly as it should. No stripped bolts, no misaligned holes—something anyone who has assembled other furniture will appreciate.
Overall, it’s sturdy, well-designed, and extremely comfortable. The adjustable armrests are a standout feature and make a big difference in day-to-day use.
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Reviewed in the United States on March 21, 2026
★★★★★ 4
Comfortable, goes together well, a couple of worries about longevity
Color: Matte-black
This is a chair with a lot to like, and a couple of concerns. Let's do the pros-and-cons thing.
Pros:
* Excellent assembly manual and parts organization. The manual is well-written; if it's translated from another language, it had a pass by a fluent English speaker. Folks, any time you localize, have a native speaker of whatever language you're going into give it a once-over. Also, the manual had a few ergonomic hints that will help with comfort. A nice touch.
* Comfortable. I'm not a huge guy (6'1" 240 lbs, yes I need to lose a little) but I do sometimes have fit trouble in a standard chair (mostly due to long legs rather than a wide... seating surface). This is a good chair for a tall person, but as the arms are outward adjustable at the time you build it (and with a little bolt turning after), this will also allow for folks who are plus-sized. You can also leave them off completely if you want (which isn't true of all office chair designs).
* Assembles well. Good fit and finish. All the bolt holes lined up, it was well packaged and arrived undamaged.
* The parts card includes one extra of every bolt type. This is very much appreciated, even though I didn't need the spares. Every flat-pack manufacturer should do this.
Cons:
* The seat cushion is very firm. I wouldn't describe it as "hard", and I understand why (the foam won't compress all the way to the seat pan for folks at the maximum weight range this chair is designed for). We'll see what it's like after a long day. Also, very stiff foam like this does tend to break down over time. Ask me again in a year.
* The support tubes for the leg rest seem flimsy, and the brackets through which the leg rest support tubes extend are plastic. I'm skeptical how much weight they can support, but I don't plan on using the leg rest anyway.
* The cushion that comes with it can be used for either neck or lumbar support, which is nice, but it's held on by an elastic band that attaches with a mechanism similar to some bras. It'll come off when you don't want it to (i.e. adjusting it) but is a pain to re-attach when you do want it to. Insert standard stand-up comedy joke here. A pinch-buckle would have been better.
* Cheap casters. But I ordered better ones, and it should be fine.
Note that the manual and box have different branding. That's not uncommon, as many things like this are sold under different brands even though the product is identical across the brands. Must be an Amazon/bookkeeping thing.
Overall, this seems to be a good chair. I like its appearance, it's comfortable so far, and assembling it wasn't a terrible ordeal. The price is also good for what you get. With the caveat of "let's see what longevity is like" and "better casters would be appreciated" I do recommend it.
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Reviewed in the United States on September 5, 2025
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