Which is the best exhaust system for a Harley?
In conclusion the slip-fit mufflers are often the most economical choice, while longer pipes and 2-1 collectors are the best overall performers in a Harley exhaust system. Drag pipes and large open pipes look and sound “cool” but are definitely tuned for larger engines, thus giving up alot of lower end torque where most daily riders need the power.
How big are the exhaust pipes on a Harley Davidson?
Long Straight Pipes Running long pipes without any baffles fall under the same category as Large/Open Pipes. Removing the baffle will make these pipes real loud but horsepower will suffer. Remember, bigger isn’t better when it comes to diameter so stick with 1-3/4? head pipes.
When to replace drag pipes on a Harley Davidson?
TIP: Be sure to replace your exhaust port gaskets any time you change or reinstall pipes. Short Drag Pipes Since the sonic and thermal pulses don’t have as far to travel as in a longer system the wave is able to return faster, thus entering the combustion chamber robbing the engine of power.
What kind of engine does a Harley Davidson have?
These modifications will provide from 55 to 65 horsepower at the rear wheel of a late model 80 CID Harley-Davidson big twin Evolution engine. If you want to build your own Stage 1 engine, here are the parts used to create a 64 HP engine. 60 to 80 HP Up to $1,500
What kind of exhaust pipe does a Harley Davidson use?
True Duals Mostly used on Road Kings and Touring models, “True Duals” have picked up popularity for use on Softails and custom cruisers. The term “Duals” refers to having an exhaust pipe on both sides of the bike. These look especially nice on a Heritage, Nostalgia, or Fatboy for a custom look.
TIP: Be sure to replace your exhaust port gaskets any time you change or reinstall pipes. Short Drag Pipes Since the sonic and thermal pulses don’t have as far to travel as in a longer system the wave is able to return faster, thus entering the combustion chamber robbing the engine of power.
Are there any Dyno charts for a Harley Davidson?
Below you will find an assortment of sample dyno charts for various Harley combinations, this is a work in progress. We will be adding more & more Harley charts as well as Metric & Euro charts as we go from the 2000+ bikes we have tuned over the past 2 decades.
Do you use free exhaust energy on a Harley Davidson?
Not using free exhaust energy to help your engine breathe is downright criminal. No matter what the conventional wisdom is, staggered duals on a Harley will not make more power.