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Description
GFB 99-21 Subaru WRX STI WGA Wastegate Actuator (Tune Required)Massive Performance, Compact Size. Industry first diaphragm design the WGAs Silicone Nomex diaphragm uses a new bead retention design that achieves the largest effective area with the smallest possible outside diameter. This keeps the overall size of the WGA down whilst giving it more control authority over the wastegate flap, resulting in better boost control. Its like telling your turbo what to do instead of pleading with it! Longest stroke with
Massive Performance, Compact Size.• Industry-first diaphragm design - the WGA’s Silicone/Nomex diaphragm uses a new bead retention design that achieves the largest effective area with the smallest possible outside diameter. This keeps the overall size of the WGA down whilst giving it more control authority over the wastegate flap, resulting in better boost control. It’s like telling your turbo what to do instead of pleading with it!• Longest stroke – with 18mm of rod travel, the WGA is suitable for controlling the largest of internal wastegates, or the extra travel can be used to further increase boost pressure without having to change springs.• Unique pivoting rod guide – machined from PEEK (an extremely high-performance engineering polymer), the encapsulated spherical rod guide takes up significantly less height in the actuator body than other designs, whilst offering low friction and superior wear resistance.• No unnecessary bulk – sounds obvious, but attention to detail in the design means the WGA is the shortest actuator on the market.More Adjustable, More Easily. Setting the base spring pressure correctly for your application can have significant performance benefits, so we made sure the WGA offers the best adjustability on the market!We supply 3 stainless steel springs that can be used in any combination ranging from 5psi to 22psi, but that’s only the beginning. Whilst other brands may offer more spring options (sold separately), changing springs to fine-tune boost pressure is time consuming and quite frankly, a pain. That’s why we added another industry first - turnbuckle adjustment. The long stroke of the WGA means more adjustment range for the spring pre-load, so you can fine-tune your base boost pressure in a matter of minutes without swapping springs or removing the actuator. Available in bolt-on or universal kits - Check the GFB website for details.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
4.5 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 4
Looks fine at a glance but definitely budget
Color: Ivory, Size: Large
I picked this up in the ivory color and the overall design leans very old school, especially with the oversized front buttons. They look nice from a distance, but up close they feel a bit cheap. The pants are one of the better parts, with a comfortable fit and an elastic waistband, and the included tie is a nice touch. Fit seems generally accurate, though having a size chart would have helped. The material is where the cost really shows, with a coarse polyester exterior and a smoother inner lining that helps with comfort. It gets the job done if you need something affordable in a pinch, just don’t expect it to feel or look high end up close.
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Great looking suit
This suit is very good looking. To me, it is hard to find a suit in a cream color like this, that actually looks good. This one pulled off the trick for me!
The jacket is well made and if you look at the posted photos you will see that the hankie pocket is slightly slanted. That makes this suit a bit unique among others. It even comes with the Red Tie included!
It is well made, great looking, fits right and feels great.
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Reviewed in the United States on April 19, 2026
★★★★★ 1
Too Wide and Not Long Enough for Tall, Skinny Builds
I bought this for my 16-year-old son (he’s about 6’2” and very tall and slender with a normal pant size of 30" 34") to have something simple in his closet for school dances and occasional events. Gray felt versatile — something he could dress up or down without overthinking it.
Sizing was the biggest issue for us. I ordered a men’s large because that’s typically what I buy him for sweat pants, work out pants and for the added length in shirts, but this suit was way too big through the waist and chest. For something labeled “slim fit,” it did not fit like a slim suit at all. The inseam measured at 31 inches, which is shorter than other suits we’ve purchased for him, and the size chart (which wasn’t available when I ordered) doesn’t even list inseam measurements at all — which really matters for tall, lean boys like mine.
As far as construction, this feels more like an occasional-wear suit for a teenager than something a grown man would wear regularly. The jacket is lined, which is nice, and it includes extra buttons. But there were loose threads inside around the buttons and pockets, and some stitching — especially under the arm pit area it already looked like it could come apart with wear. The inside pocket material feels thin and not especially durable. The arm length itself was a great fit for my tall son, and even offered a little room for growth.
The pants were similar. When I turned them inside out, I noticed loose threads where the seams meet, particularly at the crotch. The pocket lining material feels rough, and there is only 1 extra inch of fabric at the hem if you need additional length, where I am used to seeing 2 inches of material for adjustments. I noticed that my son wore his belt on his hips when he tried it on so he pant legs would look more of a normal length.
Overall, this might work fine as a backup suit for someone who needs it once in a while and isn’t overly concerned with tailoring or long-term durability. But based on fit and construction, it’s not something I would purchase for my husband or for frequent wear.
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Reviewed in the United States on February 18, 2026
★★★★★ 2
I dislike the royal blue - I abhor the cheap, tacky buttons
I requested this product without being able to see the product photo or any information about it (beyond the title) because I requested a similarly-priced 3-piece suit on Amazon previously and that was a fine suit; it wasn't amazing, but it was decent. This is far worse and I don't think many people would feel good about spending the $75 on this.
I would never wear this suit jacket in public because it would embarrass me due to the color and the buttons. I suppose the color is a subjective choice, and I like many shades of blue and have two blue suits. A dark blue would've been OK with me (preferable), or even a lighter blue could be OK I suppose - but this "royal blue" shade is nauseating to me, its as if its trying to be overly-vibrant.
The buttons aren't just a problem because they're cheap plastic - their placement is reminiscent of a style of suit jackets I've only ever seen in history books or old period movies set in eras well over a century ago - nobody wears jackets like this anymore unless they're dressed in formal uniforms like police. The title says it could be for a prom? No, I would not ever wear it to a prom or suggest it as a suit anyone would wear to a prom.
The pants are decent! This is why I'm giving it two stars. Initially I couldn't imagine wearing this suit in any way whatsoever but the pants fit well and have a very professional-looking crease right where it should be. The color is bad, but I'll keep it in the back of the closet for days when I have no other slacks appropriate for work that are clean. I greatly appreciate the elastic in the waistband - it has that new stretchy type which allowed me to fit into it without trouble even though someone of my weight otherwise wouldn't.
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Reviewed in the United States on February 7, 2026
★★★★★ 3
It's nice enough, but nothing spectacular
This was definitely a gamble since there was no picture provided.... But, my husband needed a newer suit, so we took a chance. Well, it's green! Which is the last thing we expected lol. But, it's not terrible. My husband actually thinks he can do something with it. I'm disappointed because it's only a jacket, pants and tie- not a three piece with a vest like i thought I was getting. Also the fabric just isn't a great material. For $80, it's not great. I've gotten better for $20 from temu. However, it does fit very him very nicely. He's about 5 foot nine or ten, 185lb. If you're in a bind and need a suit in a hurry, this will certainly do just fine. Just know it's not luxury. Pictures are taken right out of the bag, not ironed or anything.
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Reviewed in the United States on February 7, 2026