2x2.75" Stainless Steel T-Bolt Clamps Silicone Coupler Intercooler Turbo Intake

One order includes two pieces
T201 Stainless Steel
There is a channel bridge on the clamp to help you prevent cutting on the silicone.
The listed size is the size of the silicone which the clamp will fit.
The actual size is about 1/2" lager than listed. 
Exactly as the picture. 
Professional Installer Is Highly Recommend(No Instruction Included)

Attention California Customers:
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.