Absolute CNC "Power Pipe" - Vortex Edition for Y.S. 91 - 120 Engines

Absolute CNC Products "Power Pipe" - Vortex Edition High-Performance Nitro Helicopter Muffler System Designed by Greggor McGrath The "Power Pipe" from Absolute CNC Products is a high-performance nitro helicopter muffler system, designed by long-time RC helicopter veteran Greggor McGrath-a passionate innovator with over 20 years in the RC helicopter hobby. Built from the ground up for pilots who demand precision, performance, and power, this exhaust system is the result of decades of flying, tuning, and pushing nitro to its limits. At the heart of this system is the uniquely engineered "Vortex Edition" header, a critical design component that transforms how power is built. CNC machined from premium 7075 billet aircraft aluminum, the Vortex header is engineered for maximum strength and heat resistance. This soft-mount style muffler begins the tuning process right where the engine meets the header, optimizing flow and pressure from the first stage. The Vortex header delivers high exhaust