Fittings Hoses and Valves› Silicone Hose/Elbows/Adapters

HPS

HPS Performance 4-Ply Silicone Reducing Coupler Hose

$40.00

SKU: HTSR-275-300-BLK

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The HPS Performance HTSR-275-300-BLK is a silicone reducing coupler hose designed for high-temperature applications. Constructed from high-temperature 4-ply polyester reinforced silicone, it offers excellent resistance to heat and pressure.

This hose meets and exceeds SAEJ20 industry standards, making it suitable for heavy-duty pressure connections. It is ideal for custom turbo or intercooler piping fabrication, as well as DIY intake or radiator cooling systems.
Show original supplier description
The HPS Performance HTSR-275-300-BLK is a high-temperature silicone reducing coupler hose, specifically designed for demanding applications. It features a 4-ply polyester reinforcement, providing robust durability for heavy-duty pressure connections. The hose is constructed from premium silicone material, ensuring excellent resistance to high temperatures, rated up to 350°F (177°C). Meeting and exceeding SAEJ20 industry standards, this black reducer coupler is suitable for a wide range of uses, including marine and industrial applications. Its versatility makes it a great choice for custom turbo or intercooler piping fabrication, DIY intake systems, and radiator cooling system setups. The UV and ozone resistant properties contribute to its longevity. Key specifications include an inside diameter range of 2.75" to 3" (70mm to 76mm), an outside diameter range of 3.12" to 3.39" (80mm to 86mm), and a length of 3". The wall thickness is 4.5mm (+/- 0.5mm). It is important to note that this silicone hose is NOT compatible with fuel or oil. Hose clamps are not included.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandHPS
Part NumberHTSR-275-300-BLK
CategoryFittings Hoses and Valves
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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