banshee9090 Posted July 22, 2011 Report Share Posted July 22, 2011 hi guys , i bought recently cpi out of Frame 350 drag pipe for my setup by Coincidence i have visit the cpi web. i figured out they have tow kind of out of farm pipes,out of Frame big bore pipe for 440 motor and out of Frame drag pipe for 350 motor i m wandering for the limit of my drag pipe is it going to hold my bike and can i go for 68 ,69 cylinder bore with my cpi drag pipe 350, pleas note my bike supposed to be 445cc i would like to know you opinion . Quote Link to comment Share on other sites More sharing options...
coryv4 Posted July 22, 2011 Report Share Posted July 22, 2011 hi guys , i bought recently cpi out of Frame 350 drag pipe for my setup by Coincidence i have visit the cpi web. i figured out they have tow kind of out of farm pipes,out of Frame big bore pipe for 440 motor and out of Frame drag pipe for 350 motor i m wandering for the limit of my drag pipe is it going to hold my bike and can i go for 68 ,69 cylinder bore with my cpi drag pipe 350, pleas note my bike supposed to be 445cc i would like to know you opinion . ive heard please dont quote me if im wrong but ive heard that cpi sb sf pipes are good uup to 472cc motors Quote Link to comment Share on other sites More sharing options...
banshee9090 Posted July 22, 2011 Author Report Share Posted July 22, 2011 ive heard please dont quote me if im wrong but ive heard that cpi sb sf pipes are good uup to 472cc motors thanks dear for fast input , i hope it is up to 485!! Quote Link to comment Share on other sites More sharing options...
banshee9090 Posted July 24, 2011 Author Report Share Posted July 24, 2011 (edited) ive heard please dont quote me if im wrong but ive heard that cpi sb sf pipes are good uup to 472cc motors dear coryv4 i think you are correct see this pleas http://www.planetsand.com/forums/ubbthreads.php/topics/1023646/Pipe_Question_Small_or_BIG_Bor#Post1023646 Edited July 24, 2011 by banshee9090 Quote Link to comment Share on other sites More sharing options...
camatv Posted July 25, 2011 Report Share Posted July 25, 2011 they are talking about shear's. cpi made a few diff design pipes. the current big bore pipes are pretty nice. just slap them on and see what you think dont sell those pipes you have now just yet. Quote Link to comment Share on other sites More sharing options...
banshee9090 Posted July 28, 2011 Author Report Share Posted July 28, 2011 they are talking about shear's. cpi made a few diff design pipes. the current big bore pipes are pretty nice. just slap them on and see what you think dont sell those pipes you have now just yet. thanks dear , my bike under observation with new cpi sb oof i m sure it more A better than before At least it is a drag pipe for 66.5mm bore. Quote Link to comment Share on other sites More sharing options...
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