This downpipe has been designed to work with the 1320 T25 turbo manifold and Borg Warner EFR 6258 6758 turbo, if your old supercharger manifold was a Janspeed then your original decat pipe or TomCat will bolt right up so you can change from a decat to a cat as and when you want
The downpipe starts off as 3 inch / 75mm and stays that way until the last 4 inches / 100mm then tansverses to 57mm / 2.25 inch
We can supply you a Janspeed de-cat pipe or alternativetly the components to make your own de-cat or tomcat
