Rennlines blower motor bypass pipe is a carbon fiber replica of the factory installed unit found on the lightweight 3.6 RS race cars. This pipe allows you to save 9 pounds from the removal of the factory blower motor assembly, but still have a functioning heater system in your car. Manufactured from ultra strong, lightweight carbon fiber and comes equipped with the aluminum fitting for the distributor breather tube. Available with or without a machined aluminum 3.6 (or 3.8) insignia plate at the top. Custom insignias are available upon request (insignia size limited) Call for details. Fits 964 89-98 EXCEPT 95's 993's require the 964 fan shroud part # 964.106.403.02 .