www.Austin7Ulster.com › Standard 36.5mm Exhaust Flange Standard 36.5mm Exhaust Flange £8.50 Standard sized exhaust downpipe flange, 8mm thickOverall size 57mm x 57mm. Hole in centre 36.5mm. Standard sized exhaust downpipe flange, 8mm thickOverall size 57mm x 57mm. Hole in centre 36.5mm. Add To Cart Added! You Might Also Like 1-1/4" SU Carb Gasket £0.99 Sold out SET OF 4 - Exhaust Downpipe Flange Bolts and Brass Nuts 1/4” BSF £5.99 Inlet/Exhaust Manifold Stud (Med) £2.55 Carburettor to Manifold Gasket 1923-1932 £0.60 1/4” BSP Female to 1/4" BSP Female Brass Adapter £0.99