KGUBrass Trumpet mouthpiece BOOSTERS specially designed to improve characteristics of standard mouthpieces.
KGUBrass accessories appear as "in stock" for order availability. We working on to keep items mostly in stock. Boosters, Custom trim kits (Bach, Yamaha in all colors, others in RawBrass) and Leather accessories are usually available for fast shipping. All other KGUBrass accessories take about 3-5 weeks to produce from the date of order.