GFB HYBRID TMS Dual Port 15+ Subaru WRX / Forester Tank Tops 120 wall and 1-1/4-inch x

120 wall and 1-1/4-inch x 0

Max-Fire(R) Ultra-Spark(R) performance spark plug wires are manufactured from highest quality materials to help deliver maximum voltage - ensuring the ultimate performance

2007-2020 Jeep Wrangler

To combat the extreme conditions that wires face under the hood

2004-2005 Mercedes-Benz S55 AMG Base 2003 Mercedes-Benz S55 AMG Kompressor 2001-2005 Mercedes-Benz S600 Base

GFB HYBRID TMS Dual Port 15+ Subaru WRX / Forester Tank Tops 120 wall and 1-1/4-inch xALL THE PERFORMANCE WITH THE NOISE! The Hybrid valve is back! In 1999, GFB's first Hybrid valve pioneered the dual port design, which was so successful the technology has since been adopted by most other brands. By "staging" the two venting outlets, at low valve lifts most of the air is recirculated. As the car is driven harder, the valve opens further and more of the atmosphere venting port is exposed for a louder sound. As a benefit, this system