IMS 113320N2 Natural Large Fuel Tank - 3.1 Gallon Capacity Fits: KTM 400EXC 03-07, 450SX 03-06, 450MXC 03-06, 450EXC 03-07, 525EXC 03-07, 525MXC 03-06, 525SX 03-06 IMS tanks are larger capacity than stock, yet very slim and sleek IMS fuel tanks are designed to enhance the appearance of your motorcycle, yet provide greater riding distance per full tank Made with polyethylene crosslink for extra strength and durability Perfect for the dunes, off-road racing, on the track, and during those long rides