Does SOUL Performance make exhaust system w/ street catalysts for the 992.1?

Yes. The SOUL Performance 992.1 Exhaust System w/ Street Catalysts is built by SOUL Performance for the 992.1 Porsche 911 Carrera.

Which models does this fit?

The Exhaust System w/ Street Catalysts is engineered for the 992.1 Porsche 911 Carrera. Fitment is specific to the chassis and model years listed in the Applications section above.

How does it change the sound?

SOUL engineers the Exhaust System w/ Street Catalysts to sharpen tone and character while controlling unwanted resonance. The final sound depends on the rest of your setup.

Is an ECU tune required?

A tune is not required to fit the Exhaust System w/ Street Catalysts. Many owners add a tune to maximize the gains.

How is it constructed?

SOUL builds the Exhaust System w/ Street Catalysts from durable mandrel-bent stainless steel with precise, fixture-tested fitment.

Is professional installation recommended?

Yes. We recommend installing the Exhaust System w/ Street Catalysts through a qualified technician to ensure correct fitment and a proper seal.

SOUL Performance Exhaust System w/ Street Catalysts for 992.1 Porsche 911 Carrera

SOUL Performance Products’ Performance Exhaust System with Street high-flow catalytic converters for the Porsche 992 Carrera is a non-valved, full 3″ solution built for drivers who want real gains in sound and performance without losing the refined character expected of a modern 911. By replacing the restrictive 2.75″ factory rear section with bespoke 3″ catted pipes feeding a cast 3″ X-pipe, the system dramatically improves flow, unlocks a fuller, higher-pitched turbo flat-six note, and heightens aggressiveness while still remaining streetable. The elongated cast X-pipe maintains true 3″ diameter through the merge to preserve velocity, while carefully tuned Helmholtz anti-drone tubes target the 2,000-2,400 rpm range to keep cabin resonance at a reasonable level despite the freer-flowing design. High-flow performance catalysts are engineered to withstand sustained abuse and greatly reduce the likelihood of check engine lights when used as intended, letting you enjoy more turbo whistle, more mechanical texture, and sharper response without fumes or fuss. Hand-built in-house from thick-wall.065″ T304L stainless with water jet, cut flanges, back-purged TIG welds, and thick-gauge fixtures to prevent warping, the system sheds weight over stock and bolts up cleanly to the factory locations. Backed by SOUL’s industry-leading Lifetime Warranty for both street and track use, this Street-catted Performance Exhaust is the ideal choice for 992 Carrera owners chasing an aggressive, motorsport-inspired exhaust experience in a single, purpose-built package.

Development Goals

Create a non-valved exhaust system that revolves around a single flow path, utilizing generously sized tubing to achieve remarkable increases in both power and sound.
Elevate the level of aggressiveness while simultaneously preserving a sound quality that remains within acceptable limits for street driving, thanks to the distinctive anti-drone features that SOUL Performance Products is renowned for
Strike a balance between maintaining a smooth and refined tone that is characteristic of Porsche vehicles, while also ensuring maximum flow for optimal performance.

Research & Development

The primary focus was to enhance exhaust flow by replacing the factory exhaust setup, which has limited tubing diameter of 2.75″. To achieve this, SOUL Performance Products developed custom catalytic converter sections that allow for a full 3″ diameter in both catted and race configurations. These cat pipes lead into a unique 3″ X-Pipe assembly. Unlike other designs that involve cutting and welding 3″ bends together, or even using cast X-Pipes that reduce the pipe diameter, Soul’s X-Pipe is cast to maintain strength and minimize the number of welds in the system. This casting allows for an elongated X shape that preserves the tubing diameter and maximizes flow characteristics. The exhaust flow then continues through 3″ diameter piping all the way to the tip exits.
By lengthening the flow path and merging the exhaust flow in the X-Pipe, SOUL Performance Products has created a smoother and higher-pitched exhaust note compared to shorter and separated bank designs. To further enhance the tone of the exhaust, they initially incorporated four resonators, similar to their systems for the 996 / 997 / 991 Turbo models. However, they found that the 992 platform had less cabin intrusion and required a more aggressive experience. As a result, they reduced the resonators to two, which refined the exhaust note while allowing for a higher overall sound volume that drivers could enjoy. The 992 platform does have a drone range typically between 2000-2400rpm, and the less restriction there is in the exhaust system, the more noticeable this drone becomes. SOUL Performance Products conducted experiments with different lengths and placements of Helmholtz anti-drone tubes to minimize drone. While it may not be completely eliminated, they have significantly reduced it to a level that they consider reasonable for most drivers seeking an aggressive exhaust system for the 992 platform. Once they determined the optimal length of the drone tubes individually, they ingeniously looped them together into a more symmetrical and visually appealing design. They also internally capped the tubes to maintain their functionality. Furthermore, the non-valved design of their system provided additional space, allowing them to precisely position the tip outlet pipes. These pipes feature a Jet-Hot ceramic coated backing plate, effectively filling the bumper outlet holes and concealing the open area behind it.
Removing the valves posed a distinctive challenge as the electronically actuated valves cannot be disconnected without triggering limp mode.
Removing the electronic valve actuators from the mechanical valve bodies and leaving them plugged in will result in limp mode.
Currently, it is necessary to mount the factory valves onto a custom bracket that establishes a start/stop position for the electronic valve actuators, mimicking the functionality of the factory valves. SOUL’s system includes these specialized brackets to guarantee the absence of a check engine light (CEL) or limp mode.

Construction

Every system is meticulously crafted in-house at SOUL’s USA facility using mandrel-bent, thick-walled T304L stainless steel. The back purged TIG welding method, employing ARCAL Prime argon gas, guarantees impeccable weld penetration and exceptional longevity. The water jet cut flanges are precision-made to meet the rigorous ISO 9001:2015 standards, ensuring extraordinary accuracy with tolerances of +/- 0.003 inches. To ensure a flawless fit, Soul fabricates these components utilizing robust aluminum fixtures that act as excellent heat sinks during the welding process, preventing any warping in both the products and fixtures themselves.

HJS HD 200-Cell Catalysts

These catalytic converters represent the pinnacle of quality, renowned for their exceptional flow and durability within the industry. They not only meet the stringent EURO 4 emission standards with remarkable efficiency, but also enable an enhanced flow rate. The high-definition design incorporates premium triple foil winding, ensuring outstanding strength and resilience. To further enhance durability, a brazing stripe is included to prevent any movement or damage to the core, even under extreme conditions of sustained high horsepower output.

Driving Impressions

Currently, it is necessary to mount the factory valves onto a custom bracket that establishes a start / stop position for the electronic valve actuators, mimicking the functionality of the factory valves. SOUL’s system includes these specialized brackets to guarantee the absence of a CEL or limp mode.

Bolt On & Go

Each component undergoes thorough quality checks to ensure its reliability, and is meticulously tested in a fixture to ensure precise fitment. To safeguard against any damage during transit, each component is carefully foam packed to ensure they arrive in optimal condition. Additionally, the package includes new high-grade hardware, providing everything needed for a seamless installation process.

Features

Full 3″ non-valved T304L stainless performance exhaust
Custom 3″ catted pipes feeding a cast 3″ X-pipe that maintains true 3″ diameter through the merge
Street high-flow HJS HD 200-cell catalytic converters for better flow with strong CEL resistance
Tuned Helmholtz anti-drone tubes targeting the 2,000-2,400rpm range to keep cabin resonance manageable
Fuller, higher-pitched turbo flat-six note with more turbo whistle, mechanical texture, and sharper response
Hand-built in-house with.065″ wall T304L, water jet, cut ISO 9001:2015 flanges, and back-purged TIG welds
Designed to shed weight over stock and bolt up cleanly to factory mounting points and tip locations
Includes brackets for mounting factory valve actuators to avoid limp mode despite non-valved design
Backed by SOUL Performance Products’ Lifetime Warranty for street and track use

Applications

Porsche 911 Carrera: 992.1 | 2019-present | 3.0L F6 twin-turbo

Notes

This particular product does not have CARB certification and may not comply with emissions regulations for use on vehicles governed by emission control standards. It is specifically designed and intended for closed course competition use, where different regulations apply.
United States based customers purchasing this product are required to sign SOUL’s race Exhaust Component Waiver here

Frequently Asked Questions

Does SOUL Performance make exhaust system w/ street catalysts for the 992.1? Yes. The SOUL Performance 992.1 Exhaust System w/ Street Catalysts is built by SOUL Performance for the 992.1 Porsche 911 Carrera.
Which models does this fit? The Exhaust System w/ Street Catalysts is engineered for the 992.1 Porsche 911 Carrera. Fitment is specific to the chassis and model years listed in the Applications section above.
How does it change the sound? SOUL engineers the Exhaust System w/ Street Catalysts to sharpen tone and character while controlling unwanted resonance. The final sound depends on the rest of your setup.
Is an ECU tune required? A tune is not required to fit the Exhaust System w/ Street Catalysts. Many owners add a tune to maximize the gains.
How is it constructed? SOUL builds the Exhaust System w/ Street Catalysts from durable mandrel-bent stainless steel with precise, fixture-tested fitment.
Is professional installation recommended? Yes. We recommend installing the Exhaust System w/ Street Catalysts through a qualified technician to ensure correct fitment and a proper seal.

About SOUL Performance

SOUL Performance Products was founded by a group of automotive enthusiasts with deep industry experience and a commitment to doing right by their customers. Their mission is to deliver outstanding performance parts at fair pricing, backed by quality service and one of the best warranties in the industry. SOUL develops high-performance exhaust systems and components that are engineered for exceptional sound and proven performance, with products ready to ship quickly worldwide. Guided by core values of honesty, transparency, and passion for cars, they build strong community connections and prioritize customer satisfaction at every step. Operating out of a dedicated facility in Willow Grove, Pennsylvania, SOUL combines hands-on research, engineering, and manufacturing expertise to create parts that meet and exceed the demands of serious enthusiasts.

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SOUL Performance Exhaust System w/ Street Catalysts for 992.1 Porsche 911 Carrera [POR.992.SESX]

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