quieter exhaust

does anybody know of a spark arrester that is quieter or as quiet as the stocker, without affecting the power too much?, anybody tried the fmf power core Q?

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punch in stroker by clark mason.

back to back tests & concluded the powerbomb header & the stroker tailpipe were the best given the quiter noise.


Clark really knows his stuff. If he said it was good it was.

I have often thought about the Power bomb header with the White Brother Hawkins silencer. I remember reading an article last year and it said the Hawkins was one of the best performers available and it was one of the quietest...


JJ from WA - 99 WR; WR timed, EKN Needle, Scotts stabalizer, Scotts triple clamps, Pro-Tapers, Michelin S-12's, Terry Cable hot start, MSR Raptor clutch lever, Moose skid plate, Works frame guards, Acerbis Pro Rally guards, Renthal MD-soft grips, Factory Effex graphics, YZ IMS seat base, YZ Factory Effex seat foam and gripper seat cover, YZ rear fender

WR exhaust with Vortip insert. 3 lb. weight penalty. This pipe performs better than most people think. I've also tried the Vortip insert in an extra stock YZ exhaust I have, no spark arrestor but it's quieter.

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