MS91S-3D ZERO.Z2 (Only for OS91Speed) w/exhaust tube : MS-1219

Align 105 High Performance Pipe (UNPACKAGED) : HFM10501T-UP*** NOTE THIS IS A BRAND NEW ALIGN 105 MUFFLER TAKEN FROM AN ALIGN COMBO, SO IT IS NOT IN RETAIL PACKAGING ***Apply to 90/105 size...

Align 105 High Performance Pipe : HFM10501TApply to 90/105 size helicopters, according to the strength character of 90/105 engine to design, features much increase the horsepower, fuel-saving, low noise, and...

Align 90 High Performance Muffler - Black : HFM09001Apply to 90 size helicopters, according to the strength character of 90 engine to design, features much increase in the horsepower, fuel-saving,...

Apply to 50 size helicopters, according to the strength character of 50 engine to design, features the highest air exhaust volume on the market.Great design and test to three spaces:...

CY Manifold (Left) : Y0005

This 3D muffler is designed for OS Max-105HZ and Max-105HZ-R. Rigid type, same as 90-class, this muffler is designed to pipe in around 15,000 rotations. The opening of the exhaust...

Funtech 30 F3C Exhaust : A135

Funtech 37 F3C Exhaust : A153