Tuned Manifolds

SPower EFRA 2155 Tuned Pipe Set Made by O.S. Japan

SPower Exhaust System Polished EFRA 2166 Off Road  

This is the Ultimate M5S based on the OS B2103 Type R competition engine & Ultimate 2141 pipe combo. The 5-port long-stroke engine offers great power at medium-high speeds. The cooling head, the crankcase cover plate and the carburetor feature a new...

This is the Ultimate M5S based on the OS B2103 Type R competition engine & Ultimate 2142 pipe combo. The 5-port long-stroke engine offers great power at medium-high speeds. The cooling head, the crankcase cover plate and the carburetor feature a new...

This is the homologated EFRA 2142 Black Edition Off-Road Super Strong Pipe Set with Fast-Lock System Manifold from Ultimate Racing. This hi-quality aluminium exhaust has been produced with a black hard coated treatment to improve all its technical...

This is the Ultimate Racing Super Strong EFRA 2141 exhaust system. This EFRA 2141 hi-quality aluminum exhaust has been designed to improve the overall performance of your engine. It produces a precise and linear throttle response in the low to mid RPM...

This is the Ultimate Racing Super Strong EFRA 2142 exhaust system. This EFRA 2142 hi-quality aluminum exhaust has been designed to improve the overall performance of your engine. This pipe set provides a precise and linear throttle response in high RPM...

This is the homologated EFRA 2141 Black Edition Off-Road Super Strong Pipe Set with Fast-Lock System Manifold from Ultimate Racing. This hi-quality aluminium exhaust has been produced with a black hard coated treatment in order to improve all its...

The REDS S Series "Medium" 3.5cc Off-Road Manifold was developed for REDS S Series 3.5cc .21 nitro engines. This manifold will provide a balanced delivery of torque and speed - making it a great all around choice for any track...

The REDS X-ONE Torque 2143 One-Piece Off-Road Tuned Pipe for S Series engines combines the REDS 2143 Pipe and the REDS M Manifold to create this one-piece "Torque" exhaust. The X-ONE system is an innovative all-in-one pipe-manifold...

This is a replacement Inner silicone o-ring for the Ultimate Racing Fast-Lock system header and pipe.

This is a replacement outer gasket for the Ultimate Racing Fast-Lock system header and pipe.

This is a pack of two replacement exhaust manifold gasket. This is used to seal the back of .21 to .28 size rear exhaust engines where the tuned pipe manifold attaches to the rear of the engine. These eventually go bad and lose their seal over time due...

This is the ProTek R/C 2090, EFRA 2089 Tuned Pipe, with an included 2090 Manifold. This package also includes two long manifold springs, three short pipe springs and two manifold gasket. The ProTek R/C 2090 is a finely-crafted competitive .21 off-road...

X-ONE 2143 Smooth One-piece pipe. Smooth = Short Header.