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Top 5 Quick Harley-Davidson Performance Upgrades

How to improve V-twin suspension, brake, and chassis performance

We get asked all the time, “What are the best performance upgrades and in which order should I add them to my bike?” Well, we took some time and did in fact put our heads together, and under much scrutiny of our editors we have listed a countdown to performance nirvana and in what order in which to do so. We chose upgrading the chassis, suspension, and braking first over just simply adding gobs of horsepower. We did this for the simple fact that a much faster bike needs all the other performance factors for the added power to truly work well

Dyno Tuning
Hi-Flow Exhaust
Hi-Flow Air Cleaner
Floating Brake Rotors and Performance Pads
Top-End Engine Kit

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basics of what you'll be getting with each stage upgrade:

This upgrade is going to be ideal for you if you're looking to 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.

Stage-II

This kit allows you to 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.

Stage-III

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.

Stage-IV

This 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.