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Description
HEL Performance Brake Lines for Subaru STI 2015-2021, Stainless Steel BraidedThe HEL Performance Subaru Impreza braided brake line kit has been manufactured in house, assembled, and machine crimped directly onto high quality stainless steel braided hose ensuring an exact match to your standard brake hoses. Each HEL brake line kit arrives complete with every essential component, resulting in a smooth and straightforward installation. What are the Benefits? Eliminates soft, sponge like braking and delivers consistent performance
The HEL Performance Subaru Impreza braided brake line kit has been manufactured in-house, assembled, and machine-crimped directly onto high-quality stainless steel braided hose ensuring an exact match to your standard brake hoses. Each HEL brake line kit arrives complete with every essential component, resulting in a smooth and straightforward installation.
What are the Benefits?
- Eliminates soft, sponge-like braking and delivers consistent performance Standard rubber brake hoses expand under pressure, especially during harsh braking, resulting in a soft, and unpredictable brake pedal feel. Featuring a 3-layer construction, HEL braided brake hoses can withstand both extreme pressures and temperatures generated during demanding conditions, promoting new levels of braking response, modulation, and control. Standard rubber brake hoses have a lifespan of about 5 years before needing to be replaced. Why settle for inferior brake lines when HEL replacements, priced similarly, offer a lifetime of reliability?
- Unrivaled durability and abrasion resistance While other manufacturers cut corners with zinc-plated fittings, HEL takes pride in manufacturing every brake hose fitting in-house using high-quality 303/304 grade stainless steel. HEL braided brake hoses feature a robust PTFE inner core, renowned for its exceptional chemical resistance and extreme temperature tolerance. Unlike traditional rubber hoses, the PTFE core shields against perishing or cracking, even over long periods of time. Reinforcing the PTFE core is a high-strength stainless steel overbraid, providing further protection against wear and tear. As a final layer of safeguarding, a clear or colored wipe-clean PVC cover finishes the hose neatly and protects body panels and paintwork from becoming marred or scratched.
- Built to last, backed by the no-quibble HEL Lifetime Warranty Having full control over the in-house manufacturing process puts HEL in the position to promise you that there is no doubt in their quality, and it is something HEL is extremely proud of. All HEL brake hoses are tested to extremes in the laboratory, and on the racetrack, where they're proven time and time again.
- Enhanced aesthetics and customization With multiple hose color options available, you have the freedom to customize your brake line kit to coordinate with your color scheme. If you prefer the OEM look, classic opaque Black seamlessly blends in. However, for those looking to make a statement, HEL offers a diverse range of colors to complement most preferences.
- HEL's unique, trend-setting hose fitting and ferrule design Every HEL Performance brake line fitting features a unique internal multi-groove design. During the assembly process, as the hose fitting and ferrule are swaged onto the hose, the PTFE inner core is pushed into three internal grooves. These grooves are dual-purpose: they form internal sealing o-rings and they enable the free and secure rotation of the fittings post-hydraulic swaging. This innovative design not only maintains the integrity of the hose but also guarantees that the fittings remain securely in place. In bespoke applications, this promotes the ability to cleverly rotate the fittings whilst in position to finesse the fitment. The hose ferrule features an internally located locking groove, which securely aligns with a channel on the hose fitting. Once swaged together, this mechanism ensures that the hose fitting will never detach from the hose.
Why choose HEL Performance?
- Superior quality - like no other What sets HEL apart is simple yet significant; HEL handles the entire manufacturing process in-house for the complete range of stainless steel brake hose fittings and ferrules using an array of the latest technology CNC machinery. This gives HEL full control over the manufacturing process, leading to exceptional quality and faultless products. This commitment guarantees longevity and unwavering durability, even when used in the most demanding and challenging conditions.
- Road legal anywhere in the world When it comes to brakes, compromise simply isn't an option, especially in highly competitive motorsport environments where safety and victory can both depend on HEL's range of products. The entire range of HEL brake hoses comply with the strict criteria and requirements of FMVSS-106 and are supported by a wealth of certification, so you can use them anywhere in the world with utmost confidence.
Simply choose your favorite hose color and click 'add to basket' to order your set of HEL brake lines. What's Stopping You?
What's Included
- Stainless Steel Braided Brake Hoses & Fittings
- Copper Crush Washers*
- Mounting Components*
- Lifetime Warranty
- Installation Leaflet
*Only provided if required.
Vehicle Specifications
| Manufacturer | Subaru |
| Model | STI |
| Variant | EJ25 STI |
| Notes | |
| Year | 2015-2017, 2018-2021 |
Standard OEM Replacements
Like for like replacements for the standard flexible brake hoses on your vehicle.
Want to see behind the scenes?
Take a look at the unique manufacturing and assembly process behind our flagship braided brake hoses.
Hose Specifications
| AN Hose Size | AN3, AN03, -3 |
| Internal Diameter | 3mm, 1/8" |
| External Diameter | 8mm, 5/16" |
| Weight (Per Metre) | 71g, 0.16lbs |
| Inner Material (Core) | PTFE |
| External Material (Overbraid) | Stainless Steel - 303/304 |
| External Material (Outer) | PVC (Transparent or Colored) |
| Fitting Material (Hose End) | Stainless Steel - 303/304 |
| Minimum Temperature | -70°C -94°F |
| Maximum Temperature | 250°C, 482°F |
| Operating Pressure | 4206 PSI, 290 BAR |
| Burst Pressure | 12618 PSI, 870 BAR |
| Minimum Bend Radius (90°) | 19mm, 0.7" |
| Fluid Compatibility | Petrol, E5, E10, E85, Race Fuel, Methanol, Diesel, Nitrous Oxide, Engine & Hydraulic Oil, Air, CO2, Coolant, Water, Brake & Clutch Fluid (DOT) |
| Brand | HEL Performance |
Disclaimer
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
4.4 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
So far, impressed
Size: California King
Probably not as high a quality as more expensive ones, but fits a California King bed with deep sides perfectly. I am a care-giver for an elderly male and have ordered several because the price is good and I can change them frequently if "accidents" happen. The Mattress Topper Pad does need a large-capacity washer.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Perfect mattress cover, not too thick.
Size: Queen
This mattress cover is exactly what I wanted. I already had a mattress pad, so it was perfect. It’s not thick, it’s just right for what I needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 3
Permanent dents
Size: Queen
After months of using this mattress, I wouldn’t recommend it. It’s got permanent indentations where my husband and I routinely sleep. The mattress doesn’t puff back up so. We rotate it but you an only turn it to put the head down where your feet were and back. And there’s no flipping it over. It’s fairly comfortable, but we have a mini foam “wall” between my husband and I.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Get your comfy on
Color: Black, Size: King, Color: Black, Size: King
This Bedsure King Mattress Topper - Viscose Made from Bamboo: This ultra-soft, thick, and fluffy pillow top mattress pad is made from bamboo and is 21 inches deep with a breathable, moisture-wicking design. It’s available in black and measures 78x80 inches.
While it’s a great choice, it does take a bit of time to be able to use when you first receive it. First, you need to remove the packaging and then put it in the dryer on low fluff for 20 minutes. After that, you should lay it across your bed for 24 hours to allow it to expand fully.
So, plan on not being able to use it for 2 days. However, following these instructions will ensure that you get the best ultra-soft thickness and the perfect fit for your bed, plus you’ll feel comfortable when you’re ready to sleep on it.
This Bedsure King Mattress Topper is incredibly comfortable. You’ll have the best nights’ sleep of your life with it.
The quality of this topper is exceptional. I washed it, dried it, and it still came out perfect. There were no clumps or bunching. It laid out perfectly on our king bed mattress.
This thing feels amazing. I didn’t want to get out of bed. Being a coffee addict, I didn’t mind not having it first thing in the morning because it’s so soft. My husband even approved of this topper. I like how both of lying on it, I don’t feel him moving around.
This Bedsure King Mattress Topper is not too soft that you sink in. It’s just right. It’s like a soft hug on your body, but not wrapped around you.
After a few days of sleep on it, my back didn’t hurt. I was surprised. I also like how this topper helps protect and keep your mattress from wearing out quickly. It provides long-lasting stability to your mattress.
This Bedsure King Mattress Topper is the perfect thickness. I love how my sheets still fit over this and my mattress with no problems. The topper stays put on my mattress also. I like the added elastic band for support keeping it in mattress.
We just bought a new mattress and I wanted a topper to add more comfort so this was a perfect addition.
Ive bought other Bedsure items for our condo, we rent out and guests always like those toppers. This the first time getting a single topper with no memory foam added separately. I have to say I like the added comfort this Bedsure King Mattress Topper - Viscose Made from Bamboo Ultra Soft Thick Fluffy Pillow Top Mattress Pad with 21 Inch Deep Pocket, Breathable, Moisture Wicking, Black, 78x80 Inch adds to our mattress top. It’s just the right added comfort. You can’t see the wording Bedsure through sheets either. I get do my stretches in bed, yoga and still able to do with no problems.
The price is spot on for a nice quality mattress pad. Definitely highly recommend getting this for your mattress. You will be glad you did. It will last a long time.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
A better topper from a company I trust
Color: Black, Size: Twin
I have a memory foam daybed that has seen better days. The top layer has started to shift from regular use, and I wanted something that would help hold it together. The Bedsure Twin Mattress Topper does exactly that and made a huge difference right away.
This is a high quality, well constructed mattress pad. It fits securely over an extra thick mattress and stays in place. The corner bands under deep pockets are strong and keep everything aligned without slipping. The measurements are accurate. There are instructions to dry it, then leave it out to expand. There was no weird smell. What you see is exactly what you get, in a good way.
The cushioning is even and comfortable, and the fabric feels thick and smooth. It adds structure while still improving comfort. It has a more premium look and function than expected, similar to what you would find in a Five-Star hotel. It feels expensive.
I also appreciate that the color is not white. It looks cleaner over time and feels like a more practical choice. I have used several Bedsure products, and the quality has been consistent. I also like that it is a woman founded and owned brand, and they continue to improve their products.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
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