Question about 2011 Harley Davidson FLSTFB Fat Boy Special
Posted by Anonymous on
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Posted on Jan 02, 2017
about 3-5db but you must remember db is not a linear scale but logirythmic. basicallyy the baffles will remove the harsh rasp off the pipe and make them deep in sound, when cold they will be as loud as normal but once they have some heat in them they quieten down
Posted on Nov 20, 2008
SOURCE: Vance and Hines
Whenever I have a question about an aftermarket part - I contact the manufacturer, they are very helpful, but to answer your question, In general, if u get the correct part for your model bike, it should mount the same as the OEM part you;re replacing
Posted on Jan 25, 2009
all three will give you amazing results i have the power commander and it set my maps perfect with long shots an screaming eagle air cleaner on 2003 heritige softail noticeable difference in sound -idling= start up - drivability -and performance even better gas mileage
Posted on Mar 14, 2009
There's hot and there's too hot. Heat is one of the factors that shorten the life of an engine, especially an air cooled engine. You bike is equipped with the oil jets that help cool the pistons. If it were my bike, I'd take the bike to a known good high performance shop that had a dynometer, an exhaust gas analyzer, and a good mechanic that knew what he was doing with both the bike and the dyno. I'd have them run the bike up through the RPM range and check the fuel-air mixture ratio at various rpm levels. If the bike is running too lean, it'll run hot. Lean is mean but too lean is bad. The mechanic may can richen the mixture up just a bit, say from 14.2:1 to 13.7:1 and reduce the heat while maintaining the performance you want. It's worth a try.
Posted on Jun 01, 2011
I think replacing the exhaust will help, but it's an air cooled engine - they get fricking HOT! It's a very common issue with Harleys -just as it was with VWs back in the day. Replacing the exhaust will not void the warranty but it's not going to make a noticable difference - it may drop the temp a few degrees, but hot is hot. Your dealer might try to pull that "warranty is void" ****, but don't cave in - they are bluffing. They cannot void the warranty for this. Everyone changes their exhaust. If they persist, contact customer satisfaction and choose a different dealer.
You might look into putting a parade fan on - the bigger, the better. There are several to choose from and they help a great deal.
Also - Kuryakyn makes lexan heat shields which do help.
Posted on Jun 01, 2011
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