MacRacer1 Posted October 29, 2009 Report Share Posted October 29, 2009 Which adds more power CPI T5 or other and if you picked other tell me the name of the pipe Quote Link to comment Share on other sites More sharing options...
donkeypuncher Posted October 29, 2009 Report Share Posted October 29, 2009 what kind of ridig do you do? generally a drag pipe (cpi, shearer, etc..) will make more power than any other in-frame pipe. however, those pipes might not suit the kind of riding you do so i wouldnt base what exhaust you buy off which makes the most peak hp. Quote Link to comment Share on other sites More sharing options...
GNR101 Posted October 29, 2009 Report Share Posted October 29, 2009 when your flogging along at full throttle CPI's will kill T5s.. but when ur not in band and pulling like a rockst... cpis are crap.. no low end .. t5s are a better overall pipe... unless u ride in band ALL the time Quote Link to comment Share on other sites More sharing options...
MacRacer1 Posted October 29, 2009 Author Report Share Posted October 29, 2009 I like to drag race and drag up hills can I run cpis with vforce3 reeds and a k&n intake system or will it screw up my motor so if im on the throttle alot which I am the cpis will be better Quote Link to comment Share on other sites More sharing options...
GNR101 Posted October 29, 2009 Report Share Posted October 29, 2009 cpis will work on a stock banshee... but vforce reeds are high rev reeds like cpi pipes are so it will work better than stock if ur a dragger or flat out rippin it.. get cpis i did... and i trail sometimes to if u could afford it.. get the shee ported for cpis at the same time.. then feel ur head rip off when u rev her right out Quote Link to comment Share on other sites More sharing options...
donkeypuncher Posted October 29, 2009 Report Share Posted October 29, 2009 I like to drag race and drag up hills can I run cpis with vforce3 reeds and a k&n intake system or will it screw up my motor so if im on the throttle alot which I am the cpis will be better cpi's will be more what your looking for, but they wont work all that great on a stock motor. i would put the money you would spend on the v-force reeds towards a nice port job. Quote Link to comment Share on other sites More sharing options...
Toomey Banshee Posted October 30, 2009 Report Share Posted October 30, 2009 Of the three shees that I have 2 are ported with CPIs and 1 is not ported with T-5's. The T-5's sound the best, pull like a freight train all the way through and will respond well to porting. If I were building a bike I would buy the T-5's, get decent carbon fiber reeds, advance the timing, get a cool head and up the compresson with smaller domes. HUGE differfence. When you can afford porting get that done and probably some bigger carbs to suit your porting and most likely your T-5s will work well. If not and you keep the T-5's in good shape sell them and get CPI's or Shearers. Just my .02. Quote Link to comment Share on other sites More sharing options...
potpye Posted November 14, 2009 Report Share Posted November 14, 2009 Ported properly and the CPI'S pull hard from bottom to mid, at least with my setup. T-5s are great I ran those before my CPI's. If you are looking for a good bottom and mid pipe get t-5's and stay away from the t-6 IMO. Quote Link to comment Share on other sites More sharing options...
SLORYDER Posted November 14, 2009 Report Share Posted November 14, 2009 With your riding style I would suggest the CPI's. If your motor uses stock porting I would raise the exhaust port roof 2mm and widen it about the same, making sure to properly chamfer the port and hone the cylinders when you're done. This will increase your exhaust duration and will really let the pipes shine. Down the road I would send the jugs off to get drag ported and buy some 35mm carbs to really open her up. Quote Link to comment Share on other sites More sharing options...
fitzazpb Posted November 18, 2009 Report Share Posted November 18, 2009 With your riding style I would suggest the CPI's. If your motor uses stock porting I would raise the exhaust port roof 2mm and widen it about the same, making sure to properly chamfer the port and hone the cylinders when you're done. This will increase your exhaust duration and will really let the pipes shine. Down the road I would send the jugs off to get drag ported and buy some 35mm carbs to really open her up. u better do alot more than that if u want to be a draggr, my my duner with t5"s will smoke u with everything talked about, so unless ur gonna dump a bunch of money to become a dragger or straight hillshooter dont bother with cpi's. by the way i still run t5's on a 4mil duner/hillshooter port and high compression, ya of course a 7mil can come along with shearer or cpi inframes and beat me, but oh well, u would have to be a 500plus with head ported 4stroke to hang with me. ya thanx HJR Quote Link to comment Share on other sites More sharing options...
jlevasseur Posted November 18, 2009 Report Share Posted November 18, 2009 if you drag race 80% of the time then CPI or Shearer's are the way to go. Shearer's have produced more topend power and rev out longer then CPI's on the dyno that I have seen. If all you do is drag racing then you might think about out of frames. for all around riding you can't beat the power curve of the T-5. If you can swing it I would try for some porting. That with some pipes would be like a night and day difference. Good Luck Man!! Quote Link to comment Share on other sites More sharing options...
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