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Porsche 997 Carrera S with Fabspeed Maxflo Muffler Bypass & Sportcats ()
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  • Lighten the rear of the vehicle while adding aggressive Supercup-style sound by replacing the heavy factory mufflers with straight-through tubes
  • Fabspeed's Muffler Bypass Pipes for the 997 Carrera replace the heavy and restrictive factory muffler assembly
  • Fabspeed's Muffler Bypass Pipes for the 97 Carrera increases horsepower and torque by 21 whp and 21 ft-lbs of torque

Porsche 997 Carrera Muffler Bypass Pipes

$629.39

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HP (whp)
+21
TQ (ft/lbs)
+21
WT (lbs)
-31

Product Details:

Lighten the rear of the vehicle while adding aggressive Supercup-style sound by replacing the heavy factory mufflers with straight-through tubes.                                    

NOTE: This is a very loud and aggressive exhaust system. We love it, but your wife/girlfriend/neighbors probably won't! If you're looking for maximum sound and performance, you've found it. If you are looking for a more subtle and daily-drivable upgrade, we recommend checking out the Maxflo Performance Exhaust or the Supercup Exhaust System.

FEATURES:

  • Fits all Porsche 997 Carrera vehicles 2005-2008 (will not fit with PSE-equipped exhaust tips)
  • Increase horsepower and torque by 21 whp and 21 ft-lbs
  • Saves 31 lbs from the rear of the vehicle
  • Used by many Rolex Grand Am race teams as well as PCA/POC and HPDE drivers
  • Simple DIY bolt-on installation; no cutting or welding required
  • All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty

Product Reviews

Write your own product review

  1. Great, if you like it loud! 4 Star Review

    Posted by on 9th Aug 2016

    If you like it loud then the muffler bypass pipes are for you! Received pipes quickly for my '07 911 C4S. Sounds decent at high accelertion and would probably have been even better on manual trans. Did turn a lot of heads! Sounded "cheap" at low speeds, but could be because of my automatic trans. There was lot of droning and made my dashboard rattle. Videos of the muffler I watched didn't sound as loud as it is in person. Even my 18 yo son said it was really loud!

    I spoke with a rep afterward and he said on a scale of 1-10, with 10 being the loudest, these rated a 9-10. He said the Maxflo full exhaust system for my car would rate a 4, which would be better for me. This particular product was just too much for me.

    Good product, nice people, and would order thru this company again, but I would call first to get the specifics.


  2. VERY happy! 5 Star Review

    Posted by on 30th Oct 2015

    “Fairwind” installed my new bypass pipes yesterday afternoon and I am VERY happy with them. My car’s engine now sounds like it has “cojones!”

    During highway cruising, 75-80 MPH/ 3K RPM, the sound is very sedate/acceptable but when I get in the gas, at any speed, the motor comes to life with a guttural/rasping roar very similar to Maseratis & Ferraris I’ve listened to.

    I have noticed no “droning” and the engine seems to be very comfortable with no check-engine/engine computer issues.

    You folks have been great to deal with & I plan to let all my friends in the PCA know how pleased I am with your products and, of equal importance, your customer friendly attitudes; very refreshing to say the least!


  3. 997 Muffler Bypass 5 Star Review

    Posted by on 7th Apr 2015

    I ordered from Fabspeed after some lengthy research and the product was delivered as promised. The pipes fit perfectly and the job of installation was rather simple, with no extensive disassembly required. The sound is amazing and can be aggressively loud when really hitting the throttle, but that's exactly what I was looking for. I would recommend this product to anyone looking for this type of 997 exhaust modification.


  4. Bypass pipes 5 Star Review

    Posted by on 11th Mar 2014

    Muffler bypass pipes have an awesome sound! A tight fit to get the factory mufflers out but well worth it.