This is the new Ultimate EFRA 2123 Off-Road Super Strong Pipe Set with Manifold. This high quality aluminium pipe has been developed for competition racing, to provide great throttle control, increased power, and higher top speeds. With its hard chrome-plated finish, this pipe features precise throttle response in the lower rpm range, combined with smooth and linear performance up to the high rpm range to produce great power characteristics and efficient fuel consumption. The Ultimate EFRA 2123 is a great choice for all current 1/8 offroad engines, and has been IFMAR, EFRA, ROAR, DMC and BRCA approved (EFRA# 2123).
Source: Modelix Racing