Fabspeed Motorsport Fabspeed Porsche 964 Turbo 965 Muffler Bypass Zork Tube 1990-1994
Fabspeed Motorsport Fabspeed Porsche 964 Turbo 965 Muffler Bypass Zork Tube 1990-1994
Fabspeed Motorsport Fabspeed Porsche 964 Turbo 965 Muffler Bypass Zork Tube 1990-1994
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Fabspeed Porsche C2 TURBO, 965, 964Turbo Muffler Bypass IMSA Zork Tube (1990-1994)

FS.POR.964T.ZMB
Turbo Upgrade Components
Ships In 1-2 Weeks
$ 540.95
$ 540.95

SKU: POR.964T.ZMB

Fabspeed Porsche C2 TURBO, 965, 964Turbo Muffler Bypass IMSA Zork Tube (1990-1994)

Exact replica of the Porsche Motorsport AG 934 IMSA single turbocharger exhaust pipe delivers maximum power with reduced turbo lag and ultra-aggressive racecar sound. Fits all Porsche 911 C2 Turbo 964 Turbo 965 models worldwide from 1990-1994 including 3.3L and 3.6L Turbo S variants. Boosts horsepower by 46 whp and torque by 65 ft-lbs across the full RPM range with 3-inch 76mm tubing for unrestricted flow.

Key Features

  • Power Gains: Increases horsepower by 46 whp and torque by 65 ft-lbs with instantaneous boost onset for stronger acceleration in every gear
  • Sound Profile: Produces maximum exhaust volume with crackles pops aggressive turbo spooling whistles and burbles for authentic racecar presence
  • Construction: Built from T304 stainless steel with 3.0-inch 76mm mandrel-bent tubing and integrated angle-cut adjustable outlet for optimal flow and positioning
  • Fitment: Direct bolt-on for all 1990-1994 Porsche 911 C2 Turbo 964 Turbo 965 models worldwide including 3.3L and 3.6L Turbo S
  • Lightweight Design: Engineered as the lightest muffler bypass system at 8.2 lbs for minimal weight penalty and maximum performance

Product Notes

  • Reversible setup allows quick removal to reinstall OEM catalytic converter for emissions compliance
  • Clean with mild soap and water avoid abrasive cleaners to maintain finish
  • Ships in protective custom box dimensions 32 x 12 x 8 inches

Installation Notes

  • Professional installation recommended.
  • DIY install in under 1 hour remove stock rear exhaust secure with 4 hex nuts to turbocharger and slip joint under rear bumper
  • Includes all necessary hardware compatible with factory single turbo setup no modifications required

This Part Fits

Year Make Model Submodel
1990-1994 Porsche 911 Turbo (964) 3.3L
1994 Porsche 911 Turbo (964) 3.6L
1994 Porsche 911 Turbo S (964) 3.6L
1990-1994 Porsche 911 C2 Turbo (964/965)

Why Choose Fabspeed?

  • Fabspeed Motorsport leads Porsche exhaust innovation with race-proven designs
  • Handcrafted in USA for durability and precise fit on high-performance Porsches
  • Every product backed by Lifetime Limited Warranty for long-term reliability

Frequently Asked Questions

  • Q: Will this fit my 1994 Porsche 911 Turbo 3.6L S model?
    A: Yes fits all 1990-1994 911 C2 Turbo 964 Turbo 965 including 3.3L 3.6L and Turbo S worldwide with single turbocharger
  • Q: What material is used in construction?
    A: T304 stainless steel tubing ensures corrosion resistance heat tolerance and lightweight strength at 8.2 lbs
  • Q: What warranty coverage applies?
    A: Covered under Fabspeed Lifetime Limited Warranty against manufacturing defects when installed and used as directed

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure custom box 32 x 12 x 8 inches
  • Weight: 8.2 lbs product weight 12 lbs shipping

Request For Information

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