4.25" to 3.5" ID Gloss Black rubber Recommended clamps are CT550

Recommended clamps are CT550

For 04 LS1 GTO

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

Coolant & Water Brand HEL Performance

You install it in the end of the 7" rubber elbow or hump hose

4.25" to 3.5" ID Gloss Black rubber Recommended clamps are CT550This 90 degree silicone elbow is 4 1 2" ID on one end and 3 1 2" ID on the other and can be used any place you need a reducing 90 degree bend. Handles 350F continuous and is perfect for intercooler aftercooler and turbocharger applications. Five ply reinforced silicone for high strength. We now recommend all silicone elbows be 5 ply or better. Thick 7 32" wall construction. Full 6" leg lengths. Recommended clamps are 94100 0400 on the small end and