HPI Silicone Straight Hose Ø90

The HPI Silicone Straight Hose Ø90 — a universal silicone straight hose, three-ply, matched to standard boost-pipe and intake-pipe sizes.

Brand: HPI
Product Name: HPI Silicone Straight Hose Ø90
Material: Silicone 3-ply (4.5–5 mm wall)
Inner diameter: Ø90
Form: Straight
Part Number: HPSH-ST090##

Pair with a correctly-sized worm-drive or spring clamp. Sold as a straight length only — cut to final length at install.

A universal straight silicone hose in a Ø90 inside diameter. Three-ply construction with a 4.5–5 mm wall — the same spec HPI use in their fitment-specific radiator-hose kits. Standard colour, universal length; cut to size at install.

Features:

• Three-Ply Silicone: 4.5–5 mm wall — resists pressure spikes and heat cycling.
• Inner Diameter Ø90: Match to the boost or coolant pipe you are plumbing.
• Universal Length: Cut to the length your install needs.
• Workshop Grade: Suited to boost and radiator plumbing on built engines.
• Standard Colour: Industry-standard HPI black-silicone finish.

For bespoke intake, intercooler and radiator plumbing.