I wouldnt run a Jetpro pipe,or let alone waist my money on one,there mostly a topend pipe,i have one and would never buy another,i don't know what dyno your testing on but i would check that thing,if you want low end then a rear dom is the way to go,i would check out the fg tuned pipes,in my opion Jetpros are crap,ive seen the dyno runs on a few of the Jetpro pipes,and acctually one i seen the stock 5t can made more hp.
lol, no one mentioned a low end pipe, we was going on about top speeds etc, you should read the whole thread to get the gist of vthe topic, high speed oval track, maximum revs and all that,if you think that he should buy a low end pipe for high speed,high revving racing then fair enough,regarding the 5t can , when i took my stock can off and put the jetpro on(at the time a standard 28cc) it was able to pull 40 mph,after jetpro 55mph, alot more powerful, what a difference, i cant see a stock can being anywhere near it lol, i got pipe modded last week and put the stock pipe on,took it on a field and turn it off within 5 minutes,was so slow and unpowerful,i don't know if your familiar with fg gear ratios,but i was using 22/42 and keeping up with marders with standard gears, while still wheel spinning , until i got to around 30 mph, then just left them upto mid 50's.
i do alot of high speed running, jetpro is one of the best for that,2 fg's running the jpv2 are doing mid 90's, people say its a top end pipe,which it is, but still gives good power down low, i don't need any more wheelspin down low with a torque pipe, depends what you are wanting to do .if you are into dunes and tall grass, hill climbing,the do nuts thing, then get a dominator but personally i prefer the jetpro, i have the low end pipe on my hormann, it s ok, but only because it handle so well, everyone has preferences, watch the videos,see how they perform,like i said, forget about hp numbers and printouts etc,
but anyway since we on about dom low end and jetpro high end ,heres a video with them both together, the jepro comes on after around 50 seconds
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like i said,my jetpro has plenty of power down low,but goes mental from mid to high. i got enough low end,don't need more wasted wheelspin,especially now running a better motor
ps, both running the same carb,same cy 28.5 head.