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RcOneNitro
11-26-2007, 04:04 AM
Anybody try the JP-4 pipe?

Does this pipe improve mid-range to top-end speed without sacrificing bottom-end punch?
JB COMP
11-29-2007, 10:40 AM
From what I've heard (from RCU) that the JP-4 is the same as the JP-3, the 4 is just legal.