This wiki has links to threads that contain relevant information on the modifications below.

m400 gear linkage mod = http://www.pistonheads.com/gassing/topic.asp?t=155...

Floor Pan Replacement = http://www.pistonheads.com/gassing/topic.asp?t=808...

Tunnel Cooling Mod = http://www.pistonheads.com/gassing/topic.asp?t=759...

Installing Electric Windows = TBA.

Fitting HID Headlight Kits = http://www.pistonheads.com/gassing/topic.asp?h=0&a...

Side Pod Oil/Air Cooler = http://www.pistonheads.com/gassing/topic.asp?h=0&a...

Front Mounted Oil/Air Cooler = Link TBA

Clam Fastenings = http://www.pistonheads.com/gassing/topic.asp?h=0&a...