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All of the answers above are correct. I put mine on to eliminate the crossover pipe to help with heat. This made a huge difference. I also love the way they look and sound. I did not notice any loss in power and with a good dyno tune with a PCIII and now a Race Tuner I notice an increase in power. The people on the fourm who put them on with a harley download hated them. The harley download is worthless on anything other than an air cleaner upgrade and harley slipons.
I just did the stage one and then the Power commander and have the heat issue. A buddy said to wrap the crossover pipe with some sort of insulation, like pipe insulation. Anyone know if this works?
I've never heard of the heat problem you describe. Of course you are getting much more exhaust going through the left muffler now that you took off the crossover but I do not notice any more hear at all on my Roadglide since I put on the Rinehart true duals. They sell a heat shield that goes on the frame to help with thigh heat. Check them out at eglidegoodies.com
I went with V&H True Duels and their Ovals. Could not be happier. Sound is second to none, Quality is second to none, Price is second to none.
On performance I am using a TW-6HG Wood cam and 10.5:1 compression. I may have lost something in low end but I don't notice it. Cams, Heads, and tune will make this minimal on builds that have the cam and head work to support it. Also with a duel throttle body you can tune each cylinder individually.
Yes I will get more out with a 2-1 but it takes the balance out of the look and in MY opinion are FUGLY on a bagger.
Also I don't miss that pipe right under my right thigh.
JUST TO ADD THEY SOUND SO MUCH BETTER.I CAN EASILY HEAR EACH PIPE ARGUING WITH THE OTHER PIPE.I HAVE 06 STREETGLIDE AND PUT VHINES TRUE DUALS WITH A ONE QUARTER INCH RUSH PIPE ON.I GAINED MORE POWER A DEEP LOW GROWL FOR ABOUT 775.00WIH MAPPING,FILTER,INSTILLATION.
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