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 Large 39mm Exhaust Pipe Flange (for Brooklands silencer connection) £8.50 Cable Adjuster for Choke cable on an SU carburettor £1.99 Sports Alloy Side Draught Inlet Manifold £155.00 32mm Exhaust Pipe Flange £7.50 Alloy HS2 SU Carburettor adapter plate for Ruby Manifold £22.99 Sold out