Dynatech Slip-On Collector Merge Collector 4 into 1 2-1/2" Primary Tubes - 5" Outlet Ignition Wires Nozzle with threaded body mounts

Nozzle with threaded body mounts in a body panel outside the drivers compartment and is available with a 1/4" barb or a -4AN male fitting

high performance 75W90 gear oil is a proprietary formula that includes extreme pressure additives which prevent excessive wear

2010-2019 GMC Sierra 3500 HD

58 Percent Better Than Stock - Valve Closed

Now you can monitor your exhaust gas temperature without the expense of an onboard computer system or without the danger of trying to read an analog pyrometer at finish line speeds

Dynatech Slip-On Collector Merge Collector 4 into 1 2-1/2" Primary Tubes - 5" Outlet Ignition Wires Nozzle with threaded body mountsProduct Description: Collector Slip On Merge Collector 4 into 1 2 1 2 in Primary Tubes 5 in Outlet Steel Black Paint Sold Individually Dynatech continues to be the exhaust leader in all forms of racing and high performance applications. You can be assured that you will get all the performance and quality possible from your Dynatech headers.