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Fabspeed Porsche 911 Carrera Muffler Bypass Pipe with Adjustable Turndown (1976-1989)

6 reviews Write a Review
Calculated at Checkout
HP (whp):
TQ (ft/lbs):
WT (lbs) KG.s:
-18 / -20
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Fabspeed Porsche 911 Carrera Muffler Bypass Pipe with Adjustable Turndown (1976-1989)


Reduce weight, increase power, and improve sound with a 911 SC 3.2 Carrera muffler bypass pipe for both the primary cigar shaped 911 muffler. Includes adjustable 90 degree turndown tip for exhaust volume control.                                                        


  • Fits all Porsche 911 vehicles  worldwide 1976-1989
  • Catback emissions street legal in all 50 sates.
  • Very aggressive CUP car sound. Recommended for aggressive street and Track Use ONLY!
  • Adds 10+ whp / 8+ ft/lbs of tq and improved throttle response 
  • Constructed from 14-16 gauge, T304 C.N.C. Mandrel bent stainless steel
  • Weight Savings: 18-20 lbs (depending on tip option)
  • Direct replacement for OEM muffler works with stock cats and fabspeed's catbypass pipes
  • Easy on and easy off installation, perfect for weekend Track Events
  • System comes with outlet pipe, clamp and slip-on 90 degree turndown
  • All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty

  1. Quality Product 5 Star Review

    Posted by Unknown on 30th Aug 2017

    Easy fitment, great sound and awesome looks.

  2. Superior craftsmanship 5 Star Review

    Posted by Unknown on 1st Apr 2016

    Solid Porsche sound, easy installation, high quality. Only negative, spouse hates that I cruise around with windows down.

  3. Great All Around 5 Star Review

    Posted by Aaron on 7th Mar 2016

    Great sound. Great quality. Great fitment. Really wakes the car up!



For Instructions on how to install your product please see the PDF below:

911 Carrera Muffler Bypass.pdf

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