Factory B-Pipe Style Exhaust Manifold Yamaha billet enhancing flow while minimizing internal

enhancing flow while minimizing internal volume

When fitting a set of carbs

After installing the adapter:

We’ve been rigorously testing this product for the last 18 months to ensure its perfection

- **Design**: Features a 46mm top plate with an optional 50mm top plate available for those using larger carbs

Factory B-Pipe Style Exhaust Manifold Yamaha billet enhancing flow while minimizing internalAfter a long search, were excited to finally offer these manifolds! Designed to run hotter for improved performance, this manifold does not feature cast in cooling. This approach has shown to yield better power results on the dyno for Yamaha engines, thanks to a tip from Tim Tynan. These manifolds fit the Yamaha 701 Superjet (61X) and 650 Superjet (6M6) engines. The header pipe hole measures 46mm, and the manifold opening is 45mm, with ample material