Vibrant Performance Collector Flange 2-Bolt 3/8 in Thick 2.5 in ID Stai Collector Flange - 2-Bolt - 3/8 in Thick - 2.5 in ID - Stainless - Each Designed with precision engineering, Vibrant Performance Collector Flange provides unmatched strength and durability. Made from high-quality stainless steel, it's built to withstand the toughest conditions. With its 2-bolt design and 3/8-inch thickness, this collector flange ensures maximum performance for your exhaust system. Trust in Vibrant's expertise and experience to elevate your vehicle's performance.