A system for forming different plastic products from a single melt, comprising: a main extruder system, comprising: a main extruder configured to melt a plastic resin, forming a melt; an additive system configured to feed an additive to the melt in the main extruder; a first die positioned downstream form the main extruder; a second product extruder system comprising a second product extruder that is located downstream of the main extruder; a diverter valve positioned downstream from the main extruder and between the main extruder and both the first die and the second product extruder, the diverter valve configured to; receive the melt from the main extruder; transfer a first portion of the melt to the first die to form a first plastic product; and transfer a second portion of the melt to the second product extruder and; the second product extruder system, comprising: the second product extruder configured to blend the second portion of the melt with an additive, forming a second product melt; an additive feeder configured to feed the product additive to the second product extruder; and a second die configured to form a second plastic product from the second product melt; wherein the second product extruder has a capacity that is 75% or less than the capacity of the main extruder. a main extruder system, comprising: a main extruder configured to melt a plastic resin, forming a melt; an additive system configured to feed an additive to the melt in the main extruder; a first die positioned downstream form the main extruder; a second product extruder system comprising a second product extruder that is located downstream of the main extruder; a diverter valve positioned downstream from the main extruder and between the main extruder and both the first die and the second product extruder, the diverter valve configured to; receive the melt from the main extruder; transfer a first portion of the melt to the first die to form a first plastic product; and transfer a second portion of the melt to the second product extruder and; a main extruder configured to melt a plastic resin, forming a melt; an additive system configured to feed an additive to the melt in the main extruder; a first die positioned downstream form the main extruder; a second product extruder system comprising a second product extruder that is located downstream of the main extruder; a diverter valve positioned downstream from the main extruder and between the main extruder and both the first die and the second product extruder, the diverter valve configured to; receive the melt from the main extruder; transfer a first portion of the melt to the first die to form a first plastic product; and transfer a second portion of the melt to the second product extruder and; receive the melt from the main extruder; transfer a first portion of the melt to the first die to form a first plastic product; and transfer a second portion of the melt to the second product extruder and; the second product extruder system, comprising: the second product extruder configured to blend the second portion of the melt with an additive, forming a second product melt; an additive feeder configured to feed the product additive to the second product extruder; and a second die configured to form a second plastic product from the second product melt; the second product extruder configured to blend the second portion of the melt with an additive, forming a second product melt; an additive feeder configured to feed the product additive to the second product extruder; and a second die configured to form a second plastic product from the second product melt; wherein the second product extruder has a capacity that is 75% or less than the capacity of the main extruder.