3" ID to 2" ID - Matte Red - Aramid 500 Degree Silicone 90 Degree Reducing Elbow and then the 4-1/2" intake

and then the 4-1/2" intake tube fits inside the insert

and then the 4" intake tube fits in the hole

5" intake tube to an air cleaner

This charge air cooler hose with rings is ideal for aftercooler systems

This 2" OD carbon fiber straight tube is used in air intake systems

3" ID to 2" ID - Matte Red - Aramid 500 Degree Silicone 90 Degree Reducing Elbow and then the 4-1/2" intakeThis 3" ID to 2" ID silicone reducing coupler is 3 inches long and has the special matte red finish indicating aramid reinforcement. Perfect for air to air aftercooler systems and turbocharger connections. Rated at 500 F continuous. Recommended clamps are 94100 0238 on the small end and 94100 0338 on the big end.