;
Porsche Muffler Bypass Zork Tube - 911 | 1991-1994 FS-POR-964T-ZMB
Porsche Muffler Bypass IMSA Zork Tube For Porsche 964 Turbo / C2 Turbo (1991-1994) Models.
SOUND:
- Maximum Aggression: Delivers the loudest possible exhaust sound, complete with crackles and pops.
- Enhanced Turbo Sounds: Produces aggressive turbo whistling and spooling sounds, along with noticeable burbles.
POWER:
- Instantaneous Boost: Provides a massive and immediate onset of turbo boost.
- Broad Power Gains: Increases torque and power across the entire RPM band.
FEATURES:
- Significant Performance Increase: Increases horsepower by 46 whp and torque by 65 ft-lbs.
- Maximum Flow Design: Constructed with 3.0" (76mm) tubing for unrestricted exhaust flow.
- Adjustable Outlet: Features an integrated angle-cut adjustable exhaust outlet.
- Ultra-Lightweight and Aggressive: Guaranteed to be the lightest and most aggressively sounding rear exhaust system for all Turbo models.
- Quick DIY Installation: Simple Do-It-Yourself installation achievable in under one hour after removing the stock rear exhaust, using four hex nuts and a slip joint for adjustment.
- Motorsport Inspired: Designed to replicate the factory Porsche 934 IMSA racing parts, ideal for dual-use street and race cars.
- Track-Ready and Emissions-Friendly (Optional): Super quick and easy to install at the racetrack and equally simple to remove and reinstall the OEM catalytic converter for emissions compliance. This allows for rapid switching between track performance and street legality.
Returns subject to a 25% restocking fee.
| Brand: | Fabspeed |
| Model: | 964 Turbo |
| Years: | 1991-1994 |
| WH Rack: | XYZ |

