Not worth the money, especially on a 420a Eclipse. If thats what your talking. I had underdrive on a 420a and it freed up like 2 hp. To get power out of it, boost it. Mine liked nitrous too, even though I only used it for a few weeks.
Not worth the money, especially on a 420a Eclipse. If thats what your talking. I had underdrive on a 420a and it freed up like 2 hp. To get power out of it, boost it. Mine liked nitrous too, even though I only used it for a few weeks.