When used with our existing S1.E and S1.SE fuel systems, you can just add the twin pump. Nothing else in the fuel system needs to change. This spring when we start putting Justins Z back together with the built engine we will make some larger hose upgrades available for maximizing the twin pumps output, but it will already support most likely 1000whp with no issues as is.
If the car has one of our older fuel systems that does not include an external filter, most of the plumbing will need to be replaced and a filter added.
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