Performance & Dyno Tuning

It’s all about the performance, look and feel with the powerful lineup of Screamin’ Eagle® Stage Upgrades.

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Stage 1 Performance Upgrade

Enhance the general performance of your Harley. 

Not only that, but you'll be enhancing the overall look and sound of your bike, as well as building the foundation for all future Screamin' Eagle upgrade possibilities.

What's included:

• Intake
• Exhaust
• Dyno Tuning

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Stage 2 Performance Upgrade

Select a cam that best suits your riding style.

Torque Kit Option: Up to a 15% increase in overall performance in the low-to-mid-RPM range. You'll feel a crisp and responsive throttle and more bang for your buck while accelerating, ideal for passing slower vehicles without downshifting.

Power Kit Option: Up to 25% increase in overall performance in the mid-to-upper-RPM range, pumping up your adrenaline with a nice burst of speed as you head for that redline.

What's included:

• Intake
• Exhaust
• Cam upgrade 
• Dyno Tuning 

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Stage 3 Performance Upgrade

Satisfyingly large engine displacement and increased power throughout the entire RPM range. 

Your engine is going to swallow more air and fuel, with a higher compression piston to squeeze it all into an explosive formula for power. 

More specifically: up to a 35% increase in performance compared to stock bikes, downshift-free passing power right when you want it and "hold-on-to-your-knickers" acceleration from stoplight to freeway speed. 

What's included:

• Intake
• Exhaust
• Cam upgrade 
• Big bore cylinders 
• Pistons 
• Dyno tuning 

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Stage 4 Performance Upgrade

This kit is the stage that really puts the cherry on top.  

You're looking at high-flow cylinder heads and the Godzilla of all throttle bodies. 

You'll be maxing out displacement, compression and flow, allow you to experience the highest level of Harley-Davidson freedom with the best H-D performance upgrade available. 

What's included:

• Intake
• Exhaust
• Cam upgrade 
• Big bore cylinders 
• Pistons 
• Cylinder heads
• Throttle body
• Dyno tuning

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