The manifolds are made by
Imagine Injection in the US.
Now I am sure someone on this board will be able to tell me. If there is a choice between the two intake systems in my previous message. Which one will deliver the best performance? I think I have heard that the longer intake length of the cross ram system is capable of delivering more torque. But truth be told, I haven't a clue.
And thanks regards the SPF, they do look great inside and out.
Cameron