Fabspeed Maxflo Valvetronic Exhaust System for Porsche 992 Turbo & Turbo S (2021–Present)

Description

Upgrade your Porsche 911 (992) Twin Turbo or Turbo S (2021 +) with the Fabspeed Cat-Back Valvetronic Maxflo Exhaust System. This plug-and-play, valved solution retains your factory PSE functionality while delivering dramatic improvements in sound, flow and performance. With a cast X-pipe design, CNC-mandrel-bent T304L stainless steel construction, and aerospace-grade Helical valves, it’s engineered for both everyday refinement and high-revving aggression.

Fitment Notes

• Fits Porsche 911 (992) Twin Turbo / Twin Turbo S (Coupe & Cabriolet) model years 2021-on.

• Retains factory Porsche Sport Exhaust (PSE) valve functionality — allowing quiet cruising or full-throttle performance. 

• Direct replacement for factory cat-back section; no cutting or welding required; bolts into factory mounting points. 

• Compatible with OEM catalytic converters or Fabspeed Sport Catalytic Converters.

Included

• Full cat-back system: valved rear section with cast X-pipe, CNC-mandrel-bent tubing, high-quality clamps and hardware

• Hardware kit: gaskets, fasteners, installation guide

Product Specs

• Construction: T304L stainless steel, 14-16 gauge, CNC mandrel bent.

• Dyno-proven gains: +48.7 whp / +53.7 ft-lb torque based on Fabspeed testing. 

• Weight savings: Approx. 9.8 lbs (4.4 kg) lighter than stock.

• Sound profile: Retains quiet mode when valves closed; aggressive tone with valves open, enhanced turbo spooling sounds and down-shift pops.

• Emissions / warranty: 50-state emissions legal (where applicable) and no effect on factory warranty when installed properly.

Product Features

• Dual-Mode Sound Control: Maintains PSE valve operation so you can enjoy quiet cruising or open purr when performance calls.

• Performance Flow Design: Cast X-pipe + mandrel-bent tubing minimize back-pressure and boost throttle response and turbo-spool time.

• Premium Materials & Build Quality: Aerospace-grade Helical valves (UK) + hand-crafted in USA for long-term durability.

• Weight & Handling Benefit: By dropping approximately 10 lbs and reducing rear-end mass, you enhance handling responsiveness.

• Perfect Fitment: CAD-scanned, laser-measured for flawless fit; direct-bolt installation ensures clean look and function.

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