Flowmaster 15930 Header Collector Ball Flange Kit - 3.00 in. to 3.00 in.<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>16ga aluminized tubing</li><li>Replaces three bolt flange connection - slip fit connections for easy assembly</li><li>Leak free ball and socket seal</li><li>3.50 inch collector to 2.50 inch tubing</li><li>Sold as pairs</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51lTewHEYnL.jpg" noproxy>