• New SB15 3D Muffler for OSGT15HZ

    Posted on February 1st, 2013

    This tuned muffler has been designed and produced exclusively for the OS Max GT15 HZ gasoline motor and includes the proven Hatori damping mount system

    This muffler is available for sale directly to the public. To purchase one of these mufflers, click on the PayPal button below!


  • New SB-12R Zenoah Gas Muffler

    Posted on December 10th, 2012

    This tuned muffler has been designed and produced exclusively with the Zenoah 23-29cc motors and now includes the proven Hatori damping mount system

    This muffler is available for sale directly to the public. To purchase one of these mufflers, click on the PayPal button below!


  • New SB-22FH Muffler for the OS 105

    Posted on December 10th, 2012

    This tuned muffler has been designed and produced exclusively for 3D with the OS 105

    This muffler is available for sale directly to the public. To purchase one of these mufflers, click on the PayPal button below!


  • New SB-23FH Muffler for the YS120SR

    Posted on October 11th, 2011

    This tuned muffler has been designed and produced exclusively for the YS120SR. In the 13,000-16,000 rpm Maximum power is available. When the engine is set for 16,000-16,500 rpm during cyclic load conditions the engine will hold the intended rpm.

    This muffler is available for sale directly to the public. To purchase one of these mufflers, click on the PayPal button below!


  • New SB-21FH for the OS SPEED 91HZ-R 3D

    Posted on October 11th, 2011

    These tuned mufflers have been designed for increased torque. We recommend tuning your rotor speed and gear ratio to the following rpm range (OS 11,000~14,500 and for YS 12,000~ 15,500). This is also the preferred rpm’s to use during heavy cyclic and collective loads as in 3D flight. Torque will drop off after 15,000 rpm OS and 16,000rpm for YS. The NEW SB-21 FH is designed for the OS 91 SPEED HR-Z 3D and has no pressure tap.