What should I use for intake and exhaust on a Harley Davidson?
Keep your Harley-Davidson® motorcycle real deal with American made S&S intake and exhaust! S&S gives you styling choices when it comes to intakes, and they all come with S&S Cycle’s Proven Performance® guarantee. Use your stock air cleaner cover so nobody knows how fast your bike is, or choose a kit with a custom S&S billet cover.
Which is the best step 1 intake and exhaust?
Step 1 is the best deal going for easy, economical horsepower. Reasonable prices and easy installation keep the price tag under control, and in most cases you save more money because no tuning is required. However for the best performance and driveability, we recommend carburetor or EFI recalibration.
How does a dual plane intake manifold work?
A dual-plane intake actually separates the manifold’s plenum into two sections. With a dual-plane intake, each plenum and four intake runners are connected to every other cylinder in relationship to the engine’s firing order.
Do you need to change the intake manifold of an engine?
To change the intake manifold of an existing engine combination, and have the swap actually improve the engine’s performance, you need to be honest about your engine’s intended usage. All intakes have an rpm range where they are most efficient.
Can a Harley Davidson ECM change without intake?
The stock ECM on your Harley Davidson has a specific “window” in which it can adjust the fuel mixture to accommodate for changes. Changes in temperature, altitude and air pressure are easily within this window. An exhaust change without intake is borderline.
Do you need a tuner for a Road Glide special?
Just picked up a 2020 Road Glide Special with the 114. you needed to get a tuner. He said the the new M8’s require this to run correctly. Is this true?
What happens when you change exhaust without intake?
Changes in temperature, altitude and air pressure are easily within this window. An exhaust change without intake is borderline. The ECM may be able to compensate, but you will inevitably be making a lean situation, worse. Changing intake with pipes puts you completely outside the window.
What kind of exhaust system do I Need?
Changing intake with pipes puts you completely outside the window. The system will not have the ability to introduce enough fuel to compensate for the additional air flow. We suggest Power Commander, Power Vision, or Vance and Hines FP3. Anything else on the market may be cheaper but pale in comparison.