Fabspeed Motorsport

Fabspeed Porsche 911 Turbo 930 Muffler Bypass Zork Tube (1976-1989)


Huge reduction in turbo lag for maximum possible power and sports car sound; based off of the Porsche factory 934 IMSA racecar.


Fits all Porsche 911 Turbo 930 vehicles worldwide (1976-1989)

Bolts directly to the Turbo charger and goes under the rear bumper right out the back.

Factory Porsche Motorsport design from the 1970s. ZORK Tube 934 style.

Increases horsepower and torque by 46 whp and 65 ft-lbs

Extremely light muffler solution for the 930 weighing less than 5 lbs

Constructed with 3.0" 76mm 14-16 gauge T304 mandrel bent stainless steel for maximum performance and durability

Integrated angle-cut outlet

sound solutions warranty no applicable. Competition race system.

All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty