| 摘要 |
<p>A method and device for increasing engine performance of an internal combustion engine. The device preferably contains an exhaust insert affixed to or positioned downstream from the cylinder exhaust ports. The device preferably contains a first side having a rounded exterior surface and a substantially planar inner surface. The device also contains a second side having a rounded exterior surface and a substantially planar inner surface. A negative impression is preferably formed within both of the substantially planar inner surfaces. The negative impressions may define any number of shapes that restrict the internal diameter of the exhaust pipe (ex. conical, trapezoidal, rectangular, or pyramid shape) when the two substantially planar inner surfaces are aligned with one another and the two sides are joined together. A cap may be placed on the shape which is formed by the two negative impressions.</p> |
