yeah they can be changed up however you need them. Be aware it may not be a perfect match as they fade a bit if its in the sun.
This lady is in dallas and is supposed to be awesome at seats... I dont know about covers.
Nina is her name:
cool I do boat upholstery in Dallas area /Rockwall-Quinlan-Tawakoni/ Reasonable price - $35 coushion overage including material. I work from my garage in Quinlan area / 30 miles east of Rockwall/ My adress 2096 County road 2546 Quinlan Tx 75474 / from Rockwall HWY- 276 to HWY - 36 north, fist left turn - county road 2546, 4-th house on left with large blue sign <upholstery shop> My phone 903-274 5561 Please, call, I will be happy to help you ! Nina