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HPS Performance Products HTSR-350-450-L6-BLK Silicone Reducer Hose 3.5" to 4.5" ID x 6" Long

Part of: HPS Performance Products Silicone Reducer Hose ID

Other options in this family: HPS Performance Products HTSR-250-275-L4-BLUE HPS Performance Products HTSR-075-100-L4-BLK HPS Performance Products HTSR-087-100-BLUE HPS Performance Products HTSR-200-250-BLK HPS Performance Products HTSR-100-150-L4-BLK

Manufacturer

Picture for manufacturer HPS Performance Products

Part Number

HTSR-350-450-L6-BLK
8 reviews
Sale Price

$90.38

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The HPS Performance Products HTSR-350-450-L6-BLK is a high-temperature silicone reducer hose designed to transition from 3-1/2 inch to 4-1/2 inch inner diameter over a 6 inch length. This professional-grade connector is engineered for demanding automotive, marine, and industrial applications where reliable pressure connections and heat resistance are critical.

Key Features:

  • 4-ply reinforced silicone construction for maximum durability and pressure handling
  • Reduces from 3.5" ID to 4.5" ID over 6" length for versatile piping transitions
  • Meets and exceeds SAE J20 industry standards for quality and performance
  • High temperature resistant - ideal for turbo, intercooler, and cooling system applications
  • UV and ozone resistant for long-lasting performance in harsh environments
  • Black finish provides a clean, professional appearance

Applications:

  • Custom turbo and intercooler piping fabrication
  • DIY cold air intake systems
  • Radiator and cooling system upgrades
  • Marine engine installations
  • Industrial ducting and ventilation projects

Important Note: This silicone hose is not compatible with fuel, oil, or petroleum-based fluids. Designed for air and coolant applications only.

HPS Performance Products silicone hoses are trusted by automotive enthusiasts and professionals worldwide for their superior quality, reliability, and performance in high-pressure, high-temperature environments.

Products specifications

Wall Thickness

5

Oil Resistant

No

Universal Or Specific Fit

Universal

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Title

HPS Silicone Reducing Coupler 3-1/2" - 4-1/2" ID, 6" Length HTSR-350-450-L6-BLK Black

This part was hard to find and Mr. Clint Rathfon was very helpfully and he emailed when the order processed and when the order shipped. Because of him I will make sure me and all my friends buy pay parts from this company again and again.

Overall good purchase. However it would have been nice to be notified the shipments were coming in 4 boxes instead of us having to reach out to figure out the partial shipments to assure we would receive the full order.

Good Price, Fast delivery AAA

Easy to use website, good prices. Very competitive.

Found what I needed without having to browse for a long period. Hit the search, up comes my product, hit buy and the rest was history and with many more visits to come. First time customer with a happy experience.

Quick, concise order process, thank you.

shopping was quick and easy

Super fast… and you had what I needed.

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