Question about 2008 Harley Davidson FLHX Street Glide
Yes, as long as you don't change the airfilter
Posted on Aug 30, 2010
Technically, you should be able to get away with it as long as you don't put a higher flow air cleaner than the factory one, but it's not the correct way to do it.
Pipes help to improve the "breathing" or flow of air/fuel ration through the engine. The fuel injection is set to deliver a certain air to fuel ratio, so if you improve the output, or air flowing through the engine, you should also increase the fuel to compensate for it.
A leaner engine - or one that has a higher air to fuel ratio will run hotter, can "ping" (pre-ignition) and cause damage to the cylinders and pistons.
An air cooled Harley Davidson relies even more on the fuel to air ratio to moderate temperatures than a liquid cooled engine, which has a radiator, etc to cool it.
It's simply not worth the risk to run your bike for longer than it takes to get to the shop and have it re-mapped. It will also run cooler, and make more horsepower if you put a higher flow air cleaner and have it re-mapped.
Hope this helps.
Posted on Jan 08, 2011
Posted on Aug 31, 2010
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Posted on Jan 02, 2017
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