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Description
FUJITSUBO AUTHORIZE S Exhaust For GJ3 Impreza G4 1.6 4WD 350-63091Brand FUJITSUBO Series Name AUTHORIZE S Product Number 350 63091 Compatible Car GJ3 Impreza G4 1. 6 4WD Compatible Model GJ3 Impreza G4 1. 6 4WD Body Type: DBA GJ3 Engine Type: FB16 year formula: _x000D_ 2011. 12 ~ 2015. 10 GJ7 Impreza G4 2. 0 4WD Body Type: DBA GJ7 Engine Type: FB20 year formula: _x000D_ 2011. 12 ~ 2016. 10 Notices CVT vehicles only Remarks Because it does not reach the specified number of rotations, the proximity exhaust noise is
| Brand | FUJITSUBO |
| Series Name | AUTHORIZE S |
| Product Number | 350-63091 |
| Compatible Car | GJ3 Impreza G4 1.6 4WD |
| Compatible Model | GJ3 Impreza G4 1.6 4WD Body Type: DBA-GJ3 Engine Type: FB16 year formula: _x000D_ 2011.12 ~ 2015.10 GJ7 Impreza G4 2.0 4WD Body Type: DBA-GJ7 Engine Type: FB20 year formula: _x000D_ 2011.12 ~ 2016.10 |
| Notices | CVT vehicles only |
| Remarks | Because it does not reach the specified number of rotations, the proximity exhaust noise is measured at 4000rpm |
| Exit shape | 94Ï_ round slash |
| Pipe diameter | 50.8Ï_ |
| Minimum ground clearance | Roof height 1470mm (car verification 1460mm) measured in the car, 205mm with flange |
| Accessories list | Gasket packing Ã_ 1 |
| Volume idling | Stock: 52dB -> Fujitsubo: 58dB |
| Middle RPM Sound | Stock: 63dB -> Fujitsubo: 66dB |
| High RPM Sound | Stock: 74dB -> Fujitsubo: 74dB |
| Notes | Images are for illustration purpose only. Actual product may vary. |
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4.2 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
So will not write down your foot
Size: Medium, Color: (001) Black / Black / Castlerock
I love these socks. They have a little bit of gel on the top of the heel for support in your tennis shoes and so your socks don’t write down. Very good quality.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Comfy and Stay Put
Size: Medium, Color: (002) Black / Black / Halo Gray
These socks are honestly great. They’re super thin and light, so once you have them on, you kind of forget they’re even there. No bulky feeling in your shoes at all.
The best part is they actually stay on. I hate no-show socks that slide down after five minutes, and these don’t do that. The little grip on the heel really works, so you’re not constantly adjusting them all day.
They’re breathable too, which is nice if your feet run warm. They dry fast and don’t get that gross sweaty feeling. And there’s no annoying seam on the toe, so nothing rubs or feels uncomfortable.
Basically, they’re just comfy, stay put, and don’t cause problems — which is all I want from socks.
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Reviewed in the United States on January 16, 2026
★★★★★ 5
Perfect sucks
Size: Medium, Color: (001) Black / Black / Castlerock
Wonderful socks . The weight is perfect !! These do not slip when in a shoe they stay out !!
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Reviewed in the United States on April 14, 2026
★★★★★ 4
Amazing but quality changed
Size: Large, Color: (002) Black / Black / Halo Gray
Love these socks so much, been buying them for about 4 years now!! Not giving them 5 stars anymore because the quality is different and not as good, durable and thick as before.
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Reviewed in the United States on July 10, 2025
★★★★★ 5
The best no show socks
The only no show socks I have ever found that do not slide down. These are very comfortable and the extra tab on the back provides comfort by keeping shoes from rubbing the back of your foot. The top of the sock also comes up high enough to cushion the top of your foot all while still remaining hidden while wearing tennis shoes or even with my hey dudes.
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Reviewed in the United States on November 30, 2025