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1 5 stars by 2010challenger out of on September 8th 2016
Pro-Volute CNC Internal Mod
Length of ownership: more than 1 year
Pros: I had to think about this move at first. then after speaking with steve I was sure I wanted to test this. hell after I reinstalled this unit it liked to suck my wiring harness in. inveted my procharger air cleaner. car ran .30 faster than before in multiple tests. clearly the power feels strong through the whole band. next I want to order the bell but I don't have much vehicle clearance in this challenger.
Cons: I see no cons here. they where pretty quick with turn around time.