2.50" to 2.75" Silicone Reducer Hose 3-Ply 90 Degree Red

What size clamps do I need?

You'll want worm-gear or T-bolt clamps that fit 2.50" and 2.75" diameter hose. Bring the hose to your local speed shop or parts counter—they can size it on the spot. Don't guess on clamp diameter.

Can I use this for coolant or just boost?

Silicone handles both. This hose works for turbo/supercharger charge piping and coolant bypass lines. Temperature range depends on the system—verify your application's max temp against silicone specs before installing.

Do I need to do anything to the hose before installing it?

Wipe the inside of the hose before connecting it. Any debris from the warehouse or previous handling will cause a leak. That's it—no priming or sealing needed on silicone.