The intake manifold is absolutely straight.
Alternatively, sprues are provided on the throttle side in order to be able to mount so-called "SF" bodys.
The intake manifold has a length of 100mm, and was engine-side produced with a channel cross-section of 33mm, to allow a high cylinder filling.
Throttle side expansion to 45mm is possible. At throttlebody side, its possible to mount double weber throttlebody's and singleflangebody's also