Rok Exhaust Square Head

Exhaust Muffler Vortex Rok (Square Head) with Manifold

This exhaust is the original expansion specifically designed for the first generation of Vortex Rok 125 engines (model with square head cylinder). The kit includes the dedicated curve (manifold), ensuring optimal gas extraction and maintaining the original performance of this historic single-speed engine.

• Compatibility: Exclusively for Vortex Rok 125 "Square Head".
• Configuration: Welded cone expansion complete with exhaust manifold (curve).
• Material: High-strength steel with protective transparent finish.

Kit Features

• Dedicated Fluid Dynamics: The curvature and volume of the expansion are calculated to offer smooth and linear power delivery, a fundamental characteristic of the first Rok engine.
• Precise Fit: The included curve ensures a perfect seal with the cylinder flange, reducing pressure loss and oil fouling.
• Reliability: Designed to withstand the typical stresses of karting, ensuring long-lasting durability.