http://www.ebay.com/itm/04-CHRYSLER-CROSSFIRE-FRONT-RIGHT-FENDER-LINER-SHIELD-SPLASH-GUARD-PLASTIC-COVER-/121125921891?pt=Motors_Car_Truck_Parts_Accessories&hash=item1c33aae463&vxp=mtr
I've had mine off for cleaning, the only trick is you can't use the jack pad to lift the car, as it has to come off in order to partially remove the lower valence to get to the rear attaching points for the guard.

I wouldn't be cutting - that can lead to letting water in to promote rust.