ARP 430-3501 Starter Bolt Kit for Chevrolet Standard. SS. 12pt ymm_18 The Evolution Line (Titanium) is

The Evolution Line (Titanium) is ECE type approved for cars with an Otto Particulate Filter (OPF)

It can also be upgraded into a full Akrapovic exhaust system by combining it with Evolution Race Header Set (without valves) or Evolution Header Set (with side mufflers and valves)

he Evolution Link pipe set (SS) was tested and developed together with the Slip-On Line (Titanium) exhaust system to provide an ideal upgrade and greater exhaust tuning potential

000˝ Thread Size 7/16-20

600˝ Thread Size M16 x 1

ARP 430-3501 Starter Bolt Kit for Chevrolet Standard. SS. 12pt ymm_18 The Evolution Line (Titanium) isSpecifications Socket Size(s) 7 16 12pt UHL (Qty: 2) 3. 700 Thread Size 3 8 washers included