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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.

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Valvetronic Designs 400-cell catted downpipes for Porsche 992 GT3 and GT3 RS, polished stainless steel.

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Valvetronic Designs EPA-compliant 400-cell high-flow catted downpipes for Porsche 992 GT3 and GT3 RS, polished stainless steel.

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Detail view of Valvetronic Designs EPA-compliant 400-cell high-flow catalytic converter for Porsche 992 GT3/RS, showing authentic laser etching.

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Detail view of the 10mm thick CNC-machined 3-bolt exhaust flange on Valvetronic Designs Porsche 992 GT3 headers, showing TIG-welded runners.

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Close-up of V-band flange and TIG-welded mounting brackets on Valvetronic Designs Porsche 992 GT3 high-flow downpipes.

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Internal view of the 400-cell high-flow catalytic converter honeycomb core in Valvetronic Designs Porsche 992 GT3 downpipes.

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Valvetronic Designs Catted Downpipes Porsche 992 GT3/GT3 RS 2022-2025

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Regular price: $4,049.00
Regular price: ~~$4,499.99~~
Sale price: $4,049.00
Unit price: per

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Subtotal: $4,049.00

Quantity:

Valvetronic Designs Catted Downpipes Porsche 992 GT3/GT3 RS 2022-2025

Subtotal: $4,049.00

Not sure it fits? Text us your VINSee all fitment

Vendor: Valvetronic Designs

SKU: POR.992.GT3RS.FFH.400C.BR

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Overview

Owners of the 2022-2025 Porsche 911 GT3 (992.1) and Porsche 911 GT3 RS (992.1) get a sharper, more engaging soundtrack with this Valvetronic Designs catted downpipes. It mounts to the factory hardware locations and can be returned to stock.

Highlights

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.
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.
Engineered to Pair with Valvetronic Exhaust Systems

Fitment

Years	Make	Model	Chassis / Engine
2022-2024	Porsche	911 GT3	992.1
2023-2025	Porsche	911 GT3 RS	992.1

Installation

Bolt-on design that uses the factory mounting points. Professional installation is recommended.

Fitment

Year	Make	Model
2022–2024	Porsche	GT3
2023–2025	Porsche	GT3 RS

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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