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Registered Boozer
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Discussion Starter #1
Had a recent conversation with a fellow V Rod owner and he informed that slip on mufflers (we were talking specifically the V & H for the F model) were designed to simply attach and done. Not supposed to need to do anything else.

True, false?
 

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The way I understand it, you can run the slip-ons without other modifications as the EFI has some adaptability to it. He said this when I asked about running topless and Black Widow slip ons. He noted that the bikes will perform better with a tune, Stage One HD or after market tuners like Power Commanders and Thundermax. Many knowledgeable people on these forums so, I may get corrected on this statement.
 

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Sharks-Parts
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Had a recent conversation with a fellow V Rod owner and he informed that slip on mufflers (we were talking specifically the V & H for the F model) were designed to simply attach and done. Not supposed to need to do anything else.

True, false?
send an e-mail to V&H tech dept. and see what they have to say about it....

Exhaust & Air Products:
General Information - [email protected]
Sales - [email protected]
Technical Support - [email protected]

Fuelpak:
Technical Support – [email protected]
Sales – [email protected]
 

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Discussion Starter #4

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I have had two seperate dealership service departments tell me you can just bolt them on. I know the bike is sold lean so I still opted for a tuner to change that and get better gas mileage at highway speeds.
 

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I'd probably say you're going to need the V&H Fuel Pak, P.C. or SERT. The bike comes stock lean, if there's any chance that the new slip ons will create an even leaner condition, you're screwed. I've been told the only slip on's that wouldn't need air/fuel adjustments were the HD SE Hollow Points. But I run a R and haven't looked at running anything but those as slip ons.
 

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Discussion Starter #7
two email replies from two different folks from @fuelpakfi.com:

It is necessary to use a Fuelpak with performance add-ons such as you have
done to ensure proper performance and reliability. This will give a richer
burn for best power and torque along with rideability.
Any time you add one of our exhaust systems we highly recommend the use of a high flow air filter and some sort of fuel management. This way you get the most out of your pipes and avoid any lean running conditions.
 

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Discussion Starter #8
more replies to inquiry:

To attain the max performance these pipes have been tested at, we do
recommend to upgrade the air filter kit to a high flow air filter, and re
map the ecm with our fuel pak. You can install the mufflers and not require
to do any re mapping as long as you keep your stock air cleaner kit.

--
We do recommend remapping the bike and a hi-flow filter
when you install the slip-ons. When you install the slip-ons this will lean
the bike out. It is not good for the motor to run lean. If you have any
other questions just let us know.
Even though they are just slip-ons, they still flow more air into the motor
and make the bike run leaner. You should ideally remap the fuel injection to
compensate for this to experience the full power gain on your bike.
 

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V's and Z's
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It's not as simple as "slip-on". Be prepared with some liquid wrench, rubber mallet and wood block, and lots of sweat and maybe some blood...just in case...and some beer.
 

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Beer is good.
 
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