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A pair of polished stainless steel high-flow catalytic converter downpipes/headers and two gaskets for Porsche 992 GT3 / GT3 RS. }
Valvetronic Designs 400-cell catted downpipes for Porsche 992 GT3 and GT3 RS, polished stainless steel. }
Valvetronic Designs EPA-compliant 400-cell high-flow catted downpipes for Porsche 992 GT3 and GT3 RS, polished stainless steel. }
Detail view of Valvetronic Designs EPA-compliant 400-cell high-flow catalytic converter for Porsche 992 GT3/RS, showing authentic laser etching. }
Detail view of the 10mm thick CNC-machined 3-bolt exhaust flange on Valvetronic Designs Porsche 992 GT3 headers, showing TIG-welded runners. }
Close-up of V-band flange and TIG-welded mounting brackets on Valvetronic Designs Porsche 992 GT3 high-flow downpipes. }
Internal view of the 400-cell high-flow catalytic converter honeycomb core in Valvetronic Designs Porsche 992 GT3 downpipes. }
For any questions please PM or email: Online@AutoTalent.com Valvetronic Designs 400 Cell Catted Downpipes for Porsche 992 GT3...
SKU: POR.992.GT3RS.FFH.400C.BR
Product Type: Catted Downpipe
Regular price
$4,049.00
Regular price
$4,499.99
Sale price
$4,049.00
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Valvetronic Designs 400 Cell Catted Downpipes for Porsche 992 GT3 / GT3 RS 2020-2026
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For any questions please PM or email: Online@AutoTalent.com

Valvetronic Designs 400 Cell Catted Downpipes for Porsche 992 GT3 / GT3 RS 2020-2026

Unlock the full performance of your Porsche 992 GT3 or GT3 RS with our EPA‑compliant 400‑cell high‑flow catted downpipes. Engineered specifically for the naturally aspirated flat‑six 4.0L engine, these downpipes dramatically reduce exhaust backpressure for enhanced high‑RPM breathing, sharper throttle response, and a more defined motorsport‑inspired exhaust note — all while maintaining emissions compliance.

Precision‑crafted with mandrel‑bent stainless‑steel tubing, TIG‑welded joints, and high‑temperature‑resistant catalyst cores, these downpipes provide trustworthy durability for spirited street driving or track days. Designed for direct OEM bolt‑on fitment, they integrate seamlessly using factory mounting points and sensor locations.

Key Features:

  • EPA‑Compliant 400‑Cell Performance: High‑flow catalytic cores increase exhaust efficiency without violating emissions standards.
  • High‑RPM Optimization: Reduced backpressure improves throttle precision and top‑end performance for a more responsive driving experience.
  • Enhanced Exhaust Character: Delivers a sharper and more defined sound, especially when paired with performance exhaust systems.
  • Premium Construction: CNC‑mandrel bent stainless steel with precision welding for strength and longevity.
  • Direct OEM Fitment: Bolt‑on installation using factory mounting points and O2 sensor integration.

Installation Notes:

  • Professional installation recommended
  • Ensure heat cycles are completed for optimal catalyst break‑in activation
  • Follow OEM torque specifications during assembly

Fitment:

  • Porsche 911 2020-2026

If you have any fitment questions, please feel free to reach out to our team via the contact methods below. If you are contacting us for any order status updates, please give us a call, or email us. We are a lean operation bringing you the best shopping experience possible. We are working on your orders as quickly as we can. We thank you for your patience.

Call:
Please reach out to us at (310) 231-0292 for sales inquiries if you are in the United States, Canada, Mexico.
Email:
For more in-depth product questions, fitment questions, product inquiries please email our performance specialists at online@autotalent.com.
All other inquiries:
Please direct your inquiries to the chat functionality on our website.

Returns Policy

If a product is ordered and not wanted, the UNUSED item can be returned for a 25% restocking fee unless otherwise specified. In some cases, we may offer the ability to return the item to us for a lesser restocking fee and then keep the balance as a store credit. To return an item, it must be in brand new condition with original packaging.

We cannot accept a return on special ordered or custom items.

Shipping is non refundable in either direction unless approved by AutoTalent. All items wanting to be return MUST be reported within 30 days of the original invoice date. No items will be returnable after 30 days. All products shipped from the AutoTalent facility are shipped via FedEx, USPS, or USPS. Some packages shipped from the manufacturer may or may not require signatures for package release.

Special Order Items

Some items may be special order specifically for the customer’s vehicle. These items generally require a deposit or paid in full. Once this deposit amount is notified to the customer and they agree to order the special order item, the deposit becomes non-refundable. These special order items cannot be returned or resold. Cancellations are not allowed on special order parts.

AutoTalent DOES NOT REFUND SHIPPING CHARGES. If you modify, install, or alter the item in any form, we cannot accept it as a return. We will not cover any expenses related to the product or installation, and you may be required to purchase a replacement.

** All cancellations that are requested that are NOT due to items not being in stock or delayed by the manufacturer are subject to a 5% processing fee. When you place an order with us we pay credit card fees that are NOT returned back to us. We will absorb these fees if we do not have the item in stock OR if you agree to the original ETA and that ETA is NOT met. If you decide to cancel for any other reason you will not receive this 5% fee back

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based.

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