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View Full Version : questions for those with duncan pipe



trx450Rrider
04-03-2005, 04:34 PM
what is the db level with the turndown and without the turndown. i have a 182 main with the turndown and sparky. should i go up with the cap off and how much. also its jutted to run without a lid. i got a hrc lid and put outerwear over the hole. i dont think this will effect jetting but let me know if you think it will.

trx450Rrider
04-03-2005, 04:35 PM
also i have to be under 106 db so tell me if i am ok to go without the endcap on.

trx450Rrider
04-04-2005, 04:31 PM
anyone have advice?????????