vulvafan537240 Posted January 23, 2012 Report Posted January 23, 2012 Bought these pipes as bb's but the seller sold a stock stroke cheetah as a 421 to another member so id like to be able to verify that these pipes are bb as described. Are there any measurements I can take to verify? Quote
locogato11283 Posted January 23, 2012 Report Posted January 23, 2012 Check the inside diameter of the stinger tube. Report back. Quote
vulvafan537240 Posted January 23, 2012 Author Report Posted January 23, 2012 Check the inside diameter of the stinger tube. Report back. Quote
noslo98 Posted January 23, 2012 Report Posted January 23, 2012 Is that in inside diamater of the silencer or head pipe? The big bore set I just checked were 1.025" / 26MM that was the I.D of the headpipe. Quote
locogato11283 Posted January 23, 2012 Report Posted January 23, 2012 You have to check the ID of the expansion. Like noslo said, the BB should be right at 1". The SB should be smaller than that. Quote
vulvafan537240 Posted January 23, 2012 Author Report Posted January 23, 2012 The id of the expansion chamber is 26mm. Thanks guys. Quote
camatv Posted January 24, 2012 Report Posted January 24, 2012 where the pipe comes out of the cylinder the exhaust will be the same diameter as the flange. on small bores its a lil bit smaller. thats the easiest way to tell. those look like big bore's Quote
vulvafan537240 Posted January 30, 2012 Author Report Posted January 30, 2012 Yep theyre bb's. Thanks for all the help guys. Quote
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