One for each Silencer to Collector Box joint and one for the balance pipe in between
2 x 55-59mm and 1 x 43-47mm (actual sizes needed are 58mm and 46mm)
W4 grade with Stainless Clamp and Stainless Bolt (10mm head)
Far superior material and quality to original OEM fittings
Unique Mikalor 'flip open' front