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Exhaust question for using jetting calculator
#545289 04/26/2014 7:27 AM
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I gutted my stock pipes and added some 4" baffles in the front of the pipes to give some back pressure and also have a large washer with a 1" hole mounted toward the rear. I'm trying to figure out what exhaust selection to use on the jetting calculator. I had short TORS and a drilled airbox using 132 mains, I'm wondering if I need to close up the hole in the airbox with this exhaust as I don't want to rejet at this time as I'm doing the airbox removal thing soon.
Thanks

Re: Exhaust question for using jetting calculator
CWW #545290 04/26/2014 7:32 AM
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Fe Butt
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If you didn't want to rejet you should not have opened up the exhaust or intake.


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Re: Exhaust question for using jetting calculator
The_Dog33 #545291 04/26/2014 7:44 AM
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I did get a little ahead of myself with the exhaust change but I think I'm close on the jets, just trying to figure out if I should select open, or debaffled stock or???? for exhaust in the jetting calculator.

Re: Exhaust question for using jetting calculator
CWW #545292 04/26/2014 1:19 PM
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Fe Butt
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I think in your case you will need to experiment since you have added baffles.


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Re: Exhaust question for using jetting calculator
The_Dog33 #545293 04/26/2014 9:35 PM
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As a guess...I would say somewhere between open and baffled. Ian is right you are kind of in uncharted territory. Your probably closer to debaffled but I'd start there. And tweak away. A/F mixture checks, performance, mpg, butt dyno, real dyno etc. Hope I helped


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Re: Exhaust question for using jetting calculator
08America #545294 04/27/2014 8:33 AM
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Thanks Guys, Going by the debaffled and 2 baffles removed stock pipe chart I'm pretty close, I'll do as suggested and experiment a bit.


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