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Second Post: K&N Air Filter for All Stock Bike?

3154 Views 27 Replies 11 Participants Last post by  johnrush
Here, just north of Boston, we are buried in snow and losing our sense of humor. Every other day or so, I go to the garage and hug my 2003 Honda Shadow Spirit VT750DCB3. I was hoping to be riding again in March. Not sure now that is going to happen.

My bike is all stock as far as I can tell, definitely stock exhaust pipes, air filter, and air filter housing. I was thinking about replacing the stock air filter with a K&N hoping it would boost performance, even just slightly, even though I am satisfied with performance, a boost never hurts. But further reading leads me to believe a K&N air filter will not help so much if I don't open up the bike further by modifying exhaust pipes (both more open and louder), air filter housing (remove air snorkel or replace with a hyper charger), and then re-jet the carburetors.

So is there any performance benefits from upgrading a stock air filter to a K&N air filter without all the other modifications? If not, I am happy just replacing the stock filter with another stock filter come March. Or April.
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Try a Uni air filter(part number NU-4129). Cost's close to price of an OEM air filter but it's washable and reusable and it works as good as a OEM filter. I put stock pipes on my Sabre shortly after I got it. I prefer peace and quiet. Makes long rides much more pleasant.
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