Cones to reduce your 4 (or 3) primary tubes into your exhaust system.
Made from drawn 2mm Grade 304 Stainless steel. Each cone comes with a 2mm thick stainless steel disc designed for you to weld your primary tubes into.
The cones basically come in 3 sizes :-
- 129>84 Outside diameter. This cone is 136mm long & will take 4 tubes up to 2″ in Diameter. The narrow end has an inside diameter of 79mm, which is a little over 3″.
- 103>54 Outside diameter. This cone is 150mm long & will take 4 tubes up to 1.5″ in Diameter. The narrow end has an inside diameter of 50mm , which is just right to weld a 2″ tube to.
- 84>54 Outside diameter. this cone is 90mm long & is really only used to reduce the 129>84 cone to suit anything down to a 2″ pipe. It will need to be trimmed for pipes between 2″ & 3″.
Prices are for a 4 (or3) into 1 set up , you’ll need 2 sets if you’re building a system for a V8 or V6.
Let us know what size primaries you are using & we’ll cut the collector plate to suit.