A question that Viper Performance are frequently asked is “can I shrink or stretch the diameters of silicone hoses if I buy the wrong size?” The answer is simple “no.”
Hoses are sold by internal diameter not external diameter. You need to choose the hose with the internal diameter matching the outdoor diameter of the pipe you are wishing to connect to. Our hoses will not shrink and therefore you need to ensure you do not buy a hose which is too big. Avoid over clamping as this will simply damage the hose.
Watch this FAQ video to find out more about the importance of hose diameters.
Our Tube Forming Roll Beading Machine is ideal for aluminium and copper tubes up to 1.8mm wall. We offer a 
Good ‘engine breathing’ is usually associated with efficient intake systems. However, efficient ‘crankcase breathing’ is an equally important function of any engine. Even in a new engine, the combustion pressure will inevitably pass the piston rings into the crankcase. If an engine’s breathing system should become blocked or restricted, the crankcase will pressurise causing problems.
Our Universal Fabricated Alloy tanks are robotically TIG welded and are manufactured to a superb build quality. These tanks can be used in a wide range of applications such as breather tanks, fuel surge tanks (swirl pot) etc.