build my mouthpiece

Harrelson Trumpets
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    • Build My Mouthpiece >
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    • Increase Efficiency >
      • Mod Kits
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    • Adjustable Peformance Tools
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  • Store
We are offering FREE component exchanges + personal consults

5MM Modular Mouthpiece Kits
&
Muse Modular MMXX trumpets
(leadpipe & bell options)

when you visit our Denver, Colorado shop
through September of 2021
(that's more than a year to adjust your setup with expert advice)

improve comfort - play longer - maximize range

We have worked closely with thousands of trumpet players over the past 20+ years to discover comfort and fit are more important than any other factor. We have listened to your concerns and developed a system that guarantees a perfect fit to you as an individual.

The "one size fits all" approach doesn't fly here. We build every solution around your personal needs.

Picture
Professional Race Car drivers are backed by 24/7 support teams to shave seconds from every lap.

Winning athletes train with the best coaches using cutting edge technologies and gear.

Now you can take your playing to the next level with Harrelson on your team.

Discover the world's most efficient mouthpiece solutions available in variations as diverse as your musical endeavors.



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 in FREE unlimited parts exchange for the first 30 days - Full 7-day money back guarantee
Call the 5MM Hotline at ​303-657-2747

Ready to build your mouthpiece?

Your adventure begins with our 9-piece kit
Includes everything you need to set up two completely different sizes with 6 variations in tone color, attack and projection.


From this starting point, you can add components at any time to build endless variations suitable for every playing situation.
​

5MM Modular Mouthpiece (9pc Kit)

$500.00

Sold out

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need more options?

Our deluxe kits give you more options to discover more solutions

On Sale

On Sale

5MM Mouthpiece (19pc & 20pc Kits)

$0.00 - $900.00

Sold out

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Educator 5MM Mouthpiece Kit (40pc Kit)

$1,895.00

Sold out

Shop

learn more about harrelson
modular mouthpieces

 
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Dedicated to Harrelson Mouthpiece Owners who want to share information, experiences, photos and buy, sell and trade components.
 
Picture
  • Performance
    • Build My Mouthpiece >
      • Intro to Mouthpieces
      • Artist Series >
        • Artist Bodies
        • Artist Rims
    • Mouthpiece Components >
      • Rim Sizes
      • Cup Sizes
      • Throat Sizes
      • Body Sizes
      • Backbore Sizes
      • Nut Sizes
    • Increase Efficiency >
      • Mod Kits
      • Finger Button Options
    • Adjustable Performance
    • Adjustable Peformance Tools
  • Advantage
    • The Harrelson Story
    • We have Your size
    • Technology
    • Trumpet Momentum
    • 100% Guarantee
  • Instruments
    • Muse Modular MMXX
    • 2021 VPS Summit G-Series
    • "X" Series
    • Limited Editions >
      • Summit One
      • Summit Midnight
      • Summit Art
    • Bravura Series >
      • 2021 Bravura Flugelhorn
      • 2021 Bravura Piccolo
    • 2018 VPS Summit Series
    • HT6 - Kickstarter 2022
    • VPS Summit Eb
    • Acoustic Armour
    • Trumpet Gallery
  • News
    • Lessons Link
    • Teacher Information
    • Weekly Trumpet Challenge
    • Get Social
    • Clinics & Tours
    • Our Clients >
      • Client Features
    • Jason's Blog >
      • Jason Harrelson
    • Jen's Blog
    • Company History
  • Clients
    • Contests & Winners
    • Order My Trumpet >
      • Leadpipes & Bells
      • Tuning Slides & Bell Crooks
      • Receivers
      • Bottom Cap options
      • Water Keys
    • Contact Us
    • Shipping
    • Instrument Registry
    • Acclimation
    • Maintenance
    • Roots of Music
  • Store