The product is a Dynatech 2-1/2 x 4-1/2 Merge Collector with the manufacturer part number 780-03510. This collector is designed to enhance the performance of auto vehicles by improving the exhaust system. It is a heavy item weighing 2161 and comes with a California Prop 65 Warning regarding potentially harmful chemicals. Perfect for those looking to upgrade their auto performance parts, this Dynatech collector is high-quality
