2 into 1 pipe

[FeLiX]

do u really lose alot of top end with these pipes? please let me know before i buy them thanks in advance

[Snopczynski]

The dyno port pipe limits max power to about 9k rpm. It is a common misconception that its a bottom mid pipe. Its actually a mid pipe in the sense that it retains mid rpm to its max rpm very easily ands stays on the pipe. Its made for keeping the engine revved up on the trails or in a mx race.