930 Turbo Muffler Bypass Zork Tube 1976-1989 #FS.POR.911T.ZMB


Available for pre-order

Turbo 930 Muffler Bypass Zork Tube for

Porsche 911 Turbo 930 Performance Exhaust

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


  • Fits all Porsche 911 Turbo 930 vehicles (1976-1989)
  • 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" 14-16 gauge T304 mandrel bent stainless steel for maximum performance and durability
  • Intergrated angle-cut outlet
  • Direct bolt-on installation in less than 1 hour
  • All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty

FABSPEED Motorsport

Exotic Car Performance Specialist

For over 20 years, Fabspeed has been engineering and manufacturing the world's finest stainless steel high performance exhaust systems and components, air intake products, ECU tuning, and more, specifically-tailored for high-end sports cars and exotics. From Porsche to McLaren, our expertise is unmatched and it shows in everything that we do. Our dyno-proven performance products provide an exhilarating driving experience and are backed by a Limited Lifetime Warranty.

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