Slip ons for an 07 fatboy

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Mar 25, 2009 | 07:44 AM

Heath

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Joined: May 2008

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From: Mason City, Iowa

Slip ons for an 07 fatboy

Ordered some yesterday. Was told I would need to take the bike in and have it "flashed". Assume this is a fine tuning in fuel/air mix? Is the dealer the only one that can do this? Is it a quick thing? Do you think an appt. is necessary or can I just drive up and have it done?

Mar 26, 2009 | 03:40 PM

tk353

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From: Leander Texas

if you just replace slip ons you dont need to pay for a flash

Mar 26, 2009 | 06:08 PM

Cheesecake

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Joined: May 2008

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From: Houston, Texas

Quote:

Originally Posted by tk353

if you just replace slip ons you dont need to pay for a flash

Yepers... no download needed if you are just installing slippers...

Mar 26, 2009 | 06:41 PM

Blk and Chrome

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Joined: Jun 2008

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From: Connecticut

+1 on the above, you should be fine, enjoy the noise

Mar 26, 2009 | 07:13 PM

Heath

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Joined: May 2008

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From: Mason City, Iowa

Thanks for the responses. That's what I thought but the tech guy at D&D told me I needed to do it?
Can't wait for the new sound!!

Mar 26, 2009 | 07:56 PM

jimmers1817

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From: NJ

Conventional wisdom says you don't need it as long as the slipons aren't more than 1.75 in diameter.

Mar 26, 2009 | 08:13 PM

oct1949

Club Member

Joined: May 2007

Posts: 145,895

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From: 40 miles Northeast of Indy..

My Rush rep said 2'' most I could go without doing anything else. I also know 1 dealer down south was putting 2" on without any flash, some although was getting decell popping...so the 1 3/4 would be safer in my opinion...

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Mar 26, 2009 | 09:03 PM

tk353

Ultimate HDF Member

Joined: Oct 2007

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From: Leander Texas

save up for a Thundermax and you don't ever have to rely on a dyno tune or getting it close to being right. it took me 6 months before I got a PCIII and a dyno tune, then another year before I got a Thundermax. I have 3 sets of hooker baffles and have tried each to get the TQ and the HP and the sound I liked and because I have auto tune the bike retune for these changes. If you are like most you will someday change the pipes and if you don't want to pay for a dyno tune again then find you a good used Thundermax for 400 to 600.