Porsche 991 Turbo / Turbo S Valvetronic Supersport X-Pipe Exhaust System

Fabspeed's Valvetronic Supersport X-Pipe
Exhaust System replaces the restrictive OEM rear mufflers and catalytic
converters for a deeper, throatier exhaust note along with improved
power and throttle response. With valves open, unleash a bold roar from
your 991 Turbo.

HP (whp)
TQ (fr/lbs)
WT (lbs)

Product Details

Enjoy all the benefits of Fabspeed's
world-renowned Supersport X-Pipe Exhaust System, now with dual exhaust
tones at the push of a button! Unleash the full song from your 991
Turbo's flat-6 engine by removing the heavy and restrictive factory
mufflers and catalytic converters.                               
From the factory, Porsche equipped the 991
Turbo models with an extremely powerful 3.8 L flat-6 engine setting a
performance benchmark yet again for sports-cars and super-cars around
the world. Despite the impressive performance, the soundtrack is
decidedly lackluster without any indication as to the sheer power of the
engine that fuels the fire. The exhaust note is far too sedate to be
representative of a proper sports car. It was our mission to develop an
exhaust system that was capable of retaining a valved system for the
ultimate balance between street, and track exhaust tones.
Our engineers have spent countless hours of
hands on development with the Fabspeed Valvetronic Supersport X-Pipe
Exhaust System to extract the absolute best of both mild and wild
exhaust notes from the 991 Turbo. The results speak for themselves. 
VALVES CLOSED: Enjoy our signature Supersport exhaust sound. Exhaust flow is channeled
through Fabspeed's signature 63.5mm Quad-Resonated X-pipe. We
engineered it specifically to smooth out exhaust pulses for a
sophisticated and exotic exhaust note while being as free flowing as
possible. The tone is perfect for cruising around town or long highway
VALVES OPEN: At the push of a button, the valves are opened and the exhaust is free to rocket straight out from the Sport Cats with
an aggressive scream. The full story of Porsche's turbocharged 3.8 L
flat-6 is unleashed, along with an intoxicating barrage of crackles and
pops upon deceleration and downshifting. This system truly needs to be
heard and felt in person to be appreciated. 


 We use Helical Valves for their
unprecedented quality - which have been proven by many OEM manufacturers
such as Porsche themselves, McLaren, Ferrari, Lamborghini, and many

  • Increased reliability - proven in racing and high volume OEM use 
  • High-temperature bearings at both ends of the butterfly spindle
  • Cast stainless steel valve body with stiffening ribs for ultimate durability



  • Fits all Porsche 991 Turbo / Turbo S twin turbo 3.8L vehicles (2013-2016)
  • Includes high performance German imported 200-cell HJS HD Sport Catalytic Converters for improved flow and exhaust sound
  • Fully controllable valved exhaust system includes a quad-resonated
    center x-pipe section which mitigates exhaust volume while the valves
    are closed. When the valves are opened, the exhaust bypasses the X-pipe
    for an aggressive tone. Two unique sounds; one exhaust!
  • Dramatic improvement in sports car sound and power throughout the RPM range
  • Includes Deluxe Quad Style Tips in Polished Chrome or Black Chrome finish
  • Constructed from high-quality 14-16ga C.N.C. mandrel-bent T304L stainless steel for optimum flow and maximum durability
  • Simple bolt-on installation; no cutting or welding required
  • All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty