The A3-12 80cc Short Track Silencer - Developed for increased low-mid range power for Honda Cr80 Shifter Engines. The power/ torque curve is for short-mid size sprint tracks .5 - 1.0 mile.
The A3 -12 125cc Short Track Silencer - Developed for increased low-mid range power for Honda Cr125 Shifter Engines. The power/ torque curve is for short tight size sprint tracks .5 - 1.0 mile.
The A3-14 125cc Mid Track Silencer - Developed for increased mid-range power for Honda Cr125 Shifter Engines. The power/ torque curve is for mid size sprint tracks .5 - 1.0 mile with 800 ft max straights.
The A3- 16 125cc Long Track Silencer - Developed for increased top-range power for Honda Cr125 Shifter Engines. The power/ torque curve is for large sprint or road racing tracks between 1.0 – 2.5 mile with 800 ft plus max straights.
The A3- 16 250cc Long Track Silencer - Developed for increased top range power for Honda Cr250 Shifter Engines. The power/ torque curve is for large sprint or road racing tracks between 1.0 – 2.5 mile with 800 ft plus max straights.