Removed the stock mufflers & midpipe. Then installed the new mid pipe. Then installed the new mufflers using the stock hangers. Lastly the “Y” pipe and other part of mid pipe. Added the gaskets between the bolted connections and loosely bolted everything. Added the gasket & clamps to the mid pipe connections. Once in place we tightened the bolts to the mufflers and the connection to the mid pipe. Then tightened the clamps.