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Valvetronic Designs 400 Cell Catted Downpipe - Porsche 992 GT3 / GT3 RS
Valvetronic Designs 400 Cell Catted Downpipe - Porsche 992 GT3 / GT3 RS
Valvetronic Designs 400 Cell Catted Downpipe - Porsche 992 GT3 / GT3 RS
Valvetronic Designs 400 Cell Catted Downpipe - Porsche 992 GT3 / GT3 RS
  • SKU: POR.992.GT3RS.FFH.400C.BR
  • Availability: In stock Usually ships within 5-7 Days Special Order 4-6 Weeks

Valvetronic Designs 400 Cell Catted Downpipe - Porsche 992 GT3 / GT3 RS

$6,434.99

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DESCRIPTION

Introducing Our NEW 400 Cell EPA-Compliant Downpipes for 992 GT3

The Porsche 992 GT3 and GT3 RS are motorsport-derived machines built around a 9,000 RPM naturally aspirated flat-six. While the factory catalysts prioritize restriction and sound control, our NEW EPA-compliant 400 cell high-flow catted downpipes are engineered to reduce exhaust backpressure, improve high-RPM breathing, and enhance the engine’s unmistakable motorsport character — all while maintaining emissions compliance standards.

This upgrade preserves the integrity of the GT3 platform while allowing the engine to operate with greater efficiency and clarity at redline.

Why Upgrade to 400 Cell?

  • EPA-Compliant 400 Cell High-Flow Catalysts: Increased exhaust efficiency while maintaining compliance standards.
  • Improved High-RPM Flow: Reduced restriction enhances top-end breathing and throttle precision.
  • Enhanced Motorsport Character: Sharper, more defined exhaust note at elevated RPM.
  • Track-Focused Performance: Optimized for spirited driving and circuit use without sacrificing reliability.

Engineering & Performance

  • Optimized Flow Architecture: Designed to minimize backpressure while preserving catalyst efficiency.
  • Mandrel-Bent Tubing: Smooth internal transitions for consistent exhaust velocity.
  • Precision TIG Welding: Built to withstand extreme exhaust temperatures during sustained high-RPM operation.
  • Direct OEM Bolt-On Installation: Utilizes factory mounting locations for seamless fitment.
  • Engineered to Pair with Valvetronic Exhaust Systems

Sound Character

  • Stock Exhaust + Downpipes: Noticeable increase in clarity and presence with improved high-frequency resonance.
  • Valvetronic Exhaust + Downpipes: Maximum transformation — sharper transitions, heightened induction character, and a more race-inspired signature.

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 sustained high-RPM conditions
DOCUMENTS
AVAILABILITY

Eurosport Performance does not have live inventory. Although we aim shipping out not stocked products within 5 business days, supply constraints, import proceedures and product availability can cause additionnal delays. Please refer to the table below for more accurate details. 

In stock - We have the item in stock at our warehouse and you can expect fulfillment within 24 hours.

Usually ships within 5-7 business days - We must import this product from our supplier or the manufacturer. Standard import proceedures take between 5-7 business days and you can expect fulfillment within 8 business days.

Back ordered - This product is out of stock at our warehouse with units in transit from our supplier. Fulfillment can vary. 

If you wish to have a more accurate ETA, please send us a message at info@es-performance.com and we will respond within 24-48h. 

WARRANTY

12 Months

All products sold by Eurosport Performance are warrantied against manufacturing defects according to the manufacturer's warranty policy*. Warranty does not cover abuse, misuse, damages caused from improper manipulation, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective, the customer will receive, at the discretion of Eurosport Performance, a replacement part at no extra cost.

* Conditions may apply. Please visit our Refund Policy or contact us at info@es-performance.com

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