large tank (with or without integrated shrouds)

I am purchasing a large tank for my 2007 WR450. I can considering 2 tanks. the Acerbis and IMS. The Acerbis has the radiator shrouds integrated into the tannk for extra capacity and the IMS uses the YZ shrouds. Is there a benefit or any issues with the integrated shroud beyond additional capacity. Has anyone seen problems with the integrated shrouds in a crash or the like?


I have used both/ my 2008 wr450 has the new Acerbis tank. the Acerbis does not skirt the engine. With the IMS I had dangerous fuel boiling and engine heating problems. The Acerbis tank has none of these problems

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