O.S. Tuned Pipe Accessories Engine Engines/Fuel Cars & Trucks

e Set with Manifold. This tuned pipe is intended for .21 size off-road nitro engines, requiring a medium manifold, and is EFRA approved. Package includes one tuned pipe, one short manifold, five springs and ...

Pipe. Features: 3 chamber EFRA homologated pipe for .21 engines More progressive at low speeds and good top speed Very lower fuel consumption Suitable for all tracks Includes exhaust gasket, set screw ...

Pipe. Features: 3 chamber EFRA homologated pipe for .21 engines Pipe 2135 TERRA with HD treatment for a better resonance and long life The HD treatment involves a hardening of the material ...