Unlock Your Bagger’s Potential with Vance & Hines Bolt-Ons

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December 15, 2009 | By: Patrick Garvin

In today’s world of “choked” to death factory bikes in a sputtering economy, it’s becoming harder to find an economical solution to the lean running, underpowered touring bikes being rolled out by the factory.

Enter the Twin Slash Rounds Slip-on Mufflers from Vance & Hines. This large 4” muffler with an all-mechanical straight through louvered baffle will help you unlock the power trapped in your bagger, and they have the Dyno charts to prove it (see below). Combine that with Vance & Hines distinctive twin slash end treatment at a price under $400, and it’s a bang for your buck that you simply can’t ignore.

Twin Slash Mufflers

With that new free flowing exhaust, you’re going to want your fuel injection system to keep up. The Vance & Hines Fuel Pak was developed for just that. This plug-and-play system comes loaded with tons of maps done by the R&D staff at Vance & Hines with many more available at http://www.fuelpakfi.com/. Check http://www.jpcycles.com/ for Fuel Pak #’s 401-593 and 402-796 for your touring bike. C.A.R.B. approved models also available.

Dyno Graph

Dyno Graph

Comments: 4 Comments | Categorized Under: Product Information

Comments (4)

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Don’t you feel that bikes today are “choked to death” for the purpose of limiting exhaust emissions? Bikers as a whole tend to ignore environmental issues such as exhaust control for the sole purpose of a bit more speed and loud exhaust. I think Vance and Hines, and other after-market manufacturers should do more to lead the way in better environmental concerns instead of less.

Craig,

Thank you for your comment. And yes bikes are “choked to death” for the purposes of limiting exhaust emissions. That being said it’s not so much the exhaust that is responsible for limiting the emissions, it’s the amount of fuel that is added (or not added) by the fuel injection system of the stock motorcycle. Today’s bikes are mapped at about 14.7 to 1 air/fuel ratio from the factory, well on the lean side of things. Thus causing the bike to run extremely hot. Anyone who has sat on their bagger in parade or in Sturgis traffic and had the inside of their leg roasted like a thanksgiving day turkey can attest to that. The second by-product of an excessively lean bike is a lack of power and when a bike or any vehicle for that matter is under powered the driver/rider has a tendency to be in the throttle more to make up for the lack of performance. But the problems don’t stop there, if you want to change the look or sound of your bike by adding an aftermarket exhaust it will generally be more free flowing than your stock one thus making the bike run hotter yet and be even more under powered. This is where aftermarket companies such as Vance and Hines have done their home work by making products like the Fuel Pak available. By adding the correct amount of fuel back into the bike it cools the motor and the bike produces less heat. And most people report an increase in fuel mileage because the properly tuned bike’s new found power, it requires less throttle to keep it at speed. For example; if the underpowered stock bike required 15% throttle to keep it at 55 mph the bike with a properly tuned motor would only require 10% throttle thus reducing the emissions created by the bike.

As a whole, I think bikers are concerned with environmental issues. Obviously there are some who aren’t, but I would say those are the minority. I’m probably biased but it seems to me that motorcyclists are some of the most environmentally conscious people out there, compare my bikes 45 MPG to the average car that gets 17 mpg :-) In the end it is up to the consumer to be conscious of the environment and the local emissions laws. And I believe we at J&P Cycles have a very educated and caring customer base.

Great information, and a nice kit all layed out. This is a helpful write up.

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