SKU: POR.911.MB
Fabspeed Porsche 911 Carrera Muffler Bypass Pipe with Adjustable Turndown (1976-1989)
This Fabspeed muffler bypass pipe replaces the primary cigar-shaped OEM muffler on Porsche 911 models from 1976 to 1989. It delivers 10+ whp and 8+ ft/lbs torque gains with sharper throttle response and 18-20 lbs weight reduction. The adjustable 90-degree turndown tip controls exhaust volume for track or street driving.
Key Features
- Power Gains: Adds 10+ whp and 8+ ft/lbs torque plus improved throttle response for quicker acceleration
- Sound Profile: Produces very aggressive CUP car exhaust note ideal for aggressive street and track use
- Construction: Built from 14-16 gauge T304 CNC mandrel-bent stainless steel for durability and perfect fit
- Weight Reduction: Saves 18-20 lbs depending on tip option compared to heavy OEM muffler
- Street Legal Design: Catback system legal in all 50 states works with stock cats or Fabspeed catbypass pipes
Product Notes
- Recommended for aggressive street and track use only due to loud exhaust sound
- Direct OEM replacement includes outlet pipe clamp and slip-on adjustable turndown tip
- Easy on and off installation suits weekend track events
Installation Notes
- Professional installation recommended.
- Bolt-on design requires no cutting or welding
- Compatible with factory hardware and Fabspeed catbypass pipes
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1976-1977 | Porsche | 911 | Carrera 3.0L |
| 1978-1983 | Porsche | 911 | SC 3.0L |
| 1984-1989 | Porsche | 911 | Carrera 3.2L |
Why Choose Fabspeed?
- Performance exhaust leader for Porsche vehicles worldwide
- T304 stainless steel construction ensures long-lasting performance
- Backed by Fabspeed Lifetime Warranty on all products
Frequently Asked Questions
- Q: Does this fit all 1976-1989 Porsche 911 models?
A: Yes fits worldwide 911 Carrera SC and 3.2 Carrera with primary cigar-shaped muffler - Q: What material is used in construction?
A: 14-16 gauge T304 stainless steel CNC mandrel bent for strength and corrosion resistance - Q: What warranty applies?
A: All Fabspeed products including this muffler bypass carry Lifetime Warranty
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed dimensions 48 x 10 x 10 inches
- Weight: 12 lbs
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