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Porsche 997.2 Carrera Fabspeed Maxflo Product Explanation ()
  • Porsche 997.2 Carrera Fabspeed Maxflo Product Explanation
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  • Fabspeed's 997.2 Center Muffler Bypass X-Pipe is a direct replacement for the heavy and restrictive factory OEM center muffler
  • Fabspeed's Center Muffler Bypass X-Pipe replaces the heavy factory center muffler
  • Fabspeed's 997.2 Center Muffler Bypass X-Pipe installed

Porsche 997.2 Carrera Center Muffler Bypass X-Pipe


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Product Details:

Improves exhaust tone and saves weight by replacing the factory center muffler with a lightweight x-pipe.                                       

The 997.2 Carrera Center Muffler Bypass X-Pipe makes a great compliment to either the factory side mufflers or to Fabspeed's Maxflo Performance Side Exhaust System.

Without PSE: A subtle improvement, with a throatier, deeper exhaust note. A perfect first exhaust upgrade for your Carrera. Combine with our Maxflow Performance Side Exhaust System for the perfect level of volume and a refined sports car sound.

With PSE: A great delta between valves closed and open. With valves open and the side mufflers allowed to channel through the free flowing CMBP, the exhaust offers a race like, brilliant exhaust note. Very aggressive, noticeable burbles and crackles. With valves closed, return to a refined, non droning civil level of exhaust tone. 


  • Fits all Porsche 997.2 Carrera vehicles 2009-2011
  • Improves horsepower and torque by 12 whp and 15 ft-lbs
  • Saves 5 lbs. versus the factory center muffler
  • Constructed from high-quality .065" thick C.N.C. mandrel-bent T304L stainless steel for optimum flow and maximum durability
  • Direct bolt-on replacement for the factory center muffler
  • Backed by the Fabspeed Lifetime Limited Warranty

Product Reviews

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  1. No more shake 5 Star Review

    Posted by on 4th Aug 2015

    Easy to install, just make sure you have a 1mm half moon spanner before you start. also fits around the Porsche factory sports exhaust.

    Having the two sides joined with the small crossover seems to remove the shake/shudder through the car at idle. Also dramatically improved the low down torque.

  2. X-Pipe on 2009 911 4S 5 Star Review

    Posted by on 11th Nov 2014

    Upon opening the box, I noticed the quality of fabrication and welds were perfect and the finish was great.

    Two of us installed the X-Pipe in 2 hours without removing anything but the center muffler. All the parts we needed came in the box and everything fit perfect.

    Upon engine start up, I immediately heard the sound difference - the car sounds like there's performance added and the idle sound is improved. The best part is under load ... the X-Pipe made the car scream more Porsche as we wound up the engine over 3000 RPM.

    Although we didn't perform a dyno test, there were noticeable improvements to power. There was a subtle launch improvement where it seems the center muffler use to bog down the engine. But, the biggest improvement was in the top-end where the car makes more power now through different rpm bands. If you know your car you'll feel the same changes once you bolt in this X-Pipe.

    Well done Fabspeed!

  3. 997.2 Carrera X-Pipe 4 Star Review

    Posted by on 12th Mar 2014

    Porsche dealership near me installed the x-pipe, the sound was excellent and the extra power was right there coming from first to second the car was telling me it liked the x -pipe and so do I. you guys do beautiful work, this one little change made a whole lot of horse power.
    Thanks again.

Previous | Showing reviews 11-13 of 13