2006-2011 Lotus Exige 17" Polished Billet Aluminum Radiator Coolant Overflow Puke Tank, S, 240,The Zirgo Standard Overflow Tank Is A Functional Treat For The Eyes! This 17" reservoir is for your 2006 2011 Lotus Exige and mounts anywhere in your engine bay using beautifully crafted adjustable billet tank mounts. No need to drill holes or perform unnecessary fabrication to mount this tank, just adjust the clamping bracket and secure in seconds! Zirgo's unique internal adjustable overflow system eliminates the unsightly overflow tube from the top