True duels
#1
#2
To see any gains you would need to upgrade your air filter and with that you would need to remap the air fuel mixture. Fuel pak, Power commander, sert etc... best advise is to contact jamie from moto, will pre load maps for your set up. If your just doing the pipes you may get away with just the pipes on some makes but I wouldn't do it. I'm sure others will chime in and let you know if you can get away with just pipes. The full set up is called a stage one. Hope this helps.
#3
#4
Just in case you have not thought about it, H-D doesn't put all that crossover hardware on all their bikes for the fun of it. True duals will reduce the HP output of the engine if no other changes are made. H-D has known this 1977 when they put the Simese exaust on the cafe racer and noted a significant HP increase as a result. All H-D bikes have had crossover exhausts since 1979. Sometimes the crossover is disguised in the mounting brackets, but it is there.
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Join Date: Jul 2005
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06-01-2011 01:14 PM