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400 Cell Catted Down Pipes For Porsche 992 Turbo / Turbo S

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400 Cell Catted Down Pipes For Porsche 992 Turbo / Turbo S

Porsche 992 Turbo / Turbo S – EPA-Compliant 400 Cell Catted Downpipes

Precision Engineered for the 3.8L Twin-Turbo Flat-Six • High-Flow • Compliant • 


Introducing Our NEW 400 Cell EPA-Compliant Downpipes for 992 Turbo

The Porsche 992 Turbo and Turbo S represent the pinnacle of modern forced-induction performance. While the 3.8L twin-turbo flat-six delivers exceptional power from the factory, restrictive catalysts limit exhaust efficiency and mute the engine’s true character. Our NEW EPA-compliant 400 cell high-flow catted downpipes are engineered to reduce backpressure, enhance turbo responsiveness, and refine the exhaust signature — all while maintaining emissions compliance standards.

This upgrade elevates performance while preserving the precision expected from Porsche.


Why Upgrade to 400 Cell?

  • EPA-Compliant 400 Cell High-Flow Catalysts: Increased exhaust efficiency while maintaining compliance standards.
  • Improved Turbo Response: Reduced restriction enhances spool characteristics and throttle precision.
  • Enhanced Exhaust Presence: Deeper tone with improved clarity at higher RPM.
  • Maintained Drivability: Noticeable gains without sacrificing refinement or daily comfort.

Engineering & Performance

  • Optimized Flow Architecture: Minimizes backpressure while preserving catalyst efficiency.
  • Mandrel-Bent Tubing: Smooth internal transitions for consistent exhaust velocity.
  • Precision TIG Welding: Built to withstand extreme exhaust temperatures and sustained boost levels.
  • Direct OEM Bolt-On Installation: Utilizes factory mounting locations for seamless installation.
  • Engineered to Pair with Valvetronic Exhaust Systems

Sound Character

  • Stock Exhaust + Downpipes: Subtle increase in depth and presence with improved turbo clarity.
  • Valvetronic Exhaust + Downpipes: Sharper response, stronger turbo acoustics, and a more motorsport-inspired tone while retaining Porsche composure.

Construction & Durability

  • Premium high-grade stainless steel construction
  • High-temperature resistant 400 cell catalyst cores
  • OEM-style sensor placement for proper operation
  • Engineered for long-term reliability under high-performance conditions

Elevate the performance and character of your 992 Turbo — engineered with precision, starting at the source.

📩 Questions or ordering assistance? customerservice@valvetronic.com

$1,079.70

Original: $3,599.00

-70%
400 Cell Catted Down Pipes For Porsche 992 Turbo / Turbo S

$3,599.00

$1,079.70

Product Information

Shipping & Returns

Description

Porsche 992 Turbo / Turbo S – EPA-Compliant 400 Cell Catted Downpipes

Precision Engineered for the 3.8L Twin-Turbo Flat-Six • High-Flow • Compliant • 


Introducing Our NEW 400 Cell EPA-Compliant Downpipes for 992 Turbo

The Porsche 992 Turbo and Turbo S represent the pinnacle of modern forced-induction performance. While the 3.8L twin-turbo flat-six delivers exceptional power from the factory, restrictive catalysts limit exhaust efficiency and mute the engine’s true character. Our NEW EPA-compliant 400 cell high-flow catted downpipes are engineered to reduce backpressure, enhance turbo responsiveness, and refine the exhaust signature — all while maintaining emissions compliance standards.

This upgrade elevates performance while preserving the precision expected from Porsche.


Why Upgrade to 400 Cell?

  • EPA-Compliant 400 Cell High-Flow Catalysts: Increased exhaust efficiency while maintaining compliance standards.
  • Improved Turbo Response: Reduced restriction enhances spool characteristics and throttle precision.
  • Enhanced Exhaust Presence: Deeper tone with improved clarity at higher RPM.
  • Maintained Drivability: Noticeable gains without sacrificing refinement or daily comfort.

Engineering & Performance

  • Optimized Flow Architecture: Minimizes backpressure while preserving catalyst efficiency.
  • Mandrel-Bent Tubing: Smooth internal transitions for consistent exhaust velocity.
  • Precision TIG Welding: Built to withstand extreme exhaust temperatures and sustained boost levels.
  • Direct OEM Bolt-On Installation: Utilizes factory mounting locations for seamless installation.
  • Engineered to Pair with Valvetronic Exhaust Systems

Sound Character

  • Stock Exhaust + Downpipes: Subtle increase in depth and presence with improved turbo clarity.
  • Valvetronic Exhaust + Downpipes: Sharper response, stronger turbo acoustics, and a more motorsport-inspired tone while retaining Porsche composure.

Construction & Durability

  • Premium high-grade stainless steel construction
  • High-temperature resistant 400 cell catalyst cores
  • OEM-style sensor placement for proper operation
  • Engineered for long-term reliability under high-performance conditions

Elevate the performance and character of your 992 Turbo — engineered with precision, starting at the source.

📩 Questions or ordering assistance? customerservice@valvetronic.com

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