Porsche 992.2 GT3 / GT3 Touring SOUL Competition Headers

Product Description

The SOUL Competition Headers are designed for 2025+ Porsche 992.2 GT3 and GT3 Touring owners looking to maximize exhaust flow, throttle response, sound, and naturally aspirated performance while retaining the factory rear exhaust system.

The factory GT3 header assemblies package the catalytic converters and particulate-filter hardware close to the engine, forcing compromises in primary-runner length, runner diameter, collector efficiency, and overall exhaust flow. SOUL replaces these assemblies with a performance-focused long-tube design featuring optimized runners and a billet CNC-machined merge collector engineered around the GT3's high-revving 4.0-liter flat-six. SOUL Performance Products

The Competition Headers eliminate the restrictive factory emissions assemblies while retaining the factory rear muffler and exhaust-valve system, making them an ideal standalone upgrade for owners who want significantly greater engine character and flow without replacing the complete rear exhaust.

FITMENT:

• Fits 2025+ Porsche 992.2 911 GT3

• Fits 2025+ Porsche 992.2 911 GT3 with Touring Package

• Compatible with the 4.0L naturally aspirated flat-six

• Compatible with 6-speed manual and 7-speed PDK GT3 models

• Designed as a direct replacement for the factory header assemblies

• Designed to connect to the factory rear exhaust system

• Retains the factory rear muffler

• Retains factory electronic rear exhaust-valve functionality

• Compatible with applicable SOUL rear exhaust upgrades using the factory header connection architecture

• Does not fit 992.2 Carrera or Turbo exhaust architectures

• Does not fit 992.2 Carrera GTS T-Hybrid models

Porsche offers the 992.2 GT3 in both standard and Touring configurations with the same naturally aspirated 4.0-liter engine and either manual or PDK transmission. Porsche Newsroom

DETAILS:

• Standalone Competition Header upgrade

• Long-tube performance header architecture

• Optimized primary-runner geometry

• Billet CNC-machined merge collector

• Designed to maximize exhaust flow from the 4.0L naturally aspirated flat-six

• Designed to improve throttle response

• Designed to increase power potential

• Significantly increases flat-six exhaust character

• Replaces the restrictive factory header assemblies

• Eliminates the factory catalytic converters incorporated into the original header assemblies

• Eliminates the factory particulate-filter sections incorporated into the original header assemblies

• Retains the factory rear muffler and exhaust-valve system

• Constructed from mandrel-bent .065-inch-wall T304L stainless steel

• Back-purged TIG welded

• SOUL uses ARCAL Prime argon gas during welding

• Fabricated using thick-gauge aluminum fixtures

• Fixtures act as heat sinks during welding to minimize warpage

• Every set is rigorously quality-checked before shipment

• Foam-packed following final inspection

• Direct bolt-on installation

• Designed and manufactured in-house by SOUL Performance Products in Willow Grove, Pennsylvania

• Backed by SOUL Performance Products' Lifetime Warranty for street and track use SOUL Performance Products

LONG-TUBE HEADER DESIGN:

Even Porsche's GT3 exhaust system must balance performance against emissions, manufacturing, packaging, sound, and regulatory requirements.

The factory header assembly houses dense catalytic-converter and particulate-filter hardware close to the engine. This limits how freely the exhaust manifold can be optimized strictly around:

• Primary-runner length

• Runner diameter

• Collector efficiency

• Exhaust-gas velocity

• High-RPM flow

SOUL's Competition Headers remove those packaging compromises and replace the factory assemblies with a dedicated performance header.

CNC-MACHINED MERGE COLLECTOR:

SOUL designs the Competition Headers around a billet CNC-machined merge collector rather than relying on a basic convergence of fabricated primary tubes.

The merge collector helps smoothly combine the individual exhaust pulses while maintaining gas velocity as they enter the downstream exhaust.

On the GT3's naturally aspirated engine, this architecture is particularly important because header geometry directly influences exhaust scavenging, throttle response, midrange behavior, and high-RPM breathing.

FACTORY REAR EXHAUST COMPATIBILITY:

The Competition Headers are specifically designed as a direct replacement for the factory headers while retaining the stock rear exhaust system. SOUL Performance Products

This allows owners to retain:

• Factory rear muffler

• Factory electronic exhaust valves

• Factory exhaust tips

• Porsche's original rear-exhaust packaging

while substantially reducing restriction farther upstream.

SOUND CHARACTER:

Removing the factory catalyst and particulate-filter assemblies produces a significant increase in the amount of naturally aspirated flat-six character reaching the rear exhaust.

Expect:

• Greater mechanical engine sound

• Stronger flat-six exhaust presence

• Increased sound throughout the rev range

• Sharper throttle-related sound

• More aggressive high-RPM character

• Greater difference as the factory rear exhaust valves open

• Significant amplification of whichever rear exhaust system is installed downstream

With the stock rear muffler retained, the final result remains more controlled than a complete SOUL Race Exhaust.

THROTTLE RESPONSE & PERFORMANCE:

SOUL developed the Competition Headers to improve flow, response, tone, and power potential from the 992 GT3's 4.0-liter engine. SOUL Performance Products

Reducing the restriction created by the original catalyst and particulate-filter assemblies gives exhaust gases a freer path away from the cylinders and allows the engine to breathe more efficiently at high RPM.

SOUL does not currently publish a standalone horsepower or torque figure for this header set, so specific power gains should not be assumed.

COMPETITION HEADERS VS. STREET HEADERS:

Competition Headers

• Completely catless

• Remove factory particulate-filter assemblies

• Maximum available header flow

• Maximum header-induced sound increase

• Competition-focused configuration

• $4,795.00

Street Headers

• Retain performance catalytic converters

• More street-oriented configuration

• Improved exhaust flow compared with factory

• Retain a catted configuration

• $5,695.00

Both systems can be used while retaining the factory rear exhaust.

COMPETITION HEADERS VS. COMPLETE RACE EXHAUST:

Competition Headers

• Standalone header replacement

• Factory rear exhaust retained

• Factory exhaust valves retained

• Catless

• Single fixed configuration

Race Exhaust System

• Complete exhaust replacement

• Dedicated long-tube headers

• Dedicated downstream exhaust architecture

• Available catted or catless

• Non-valved rear exhaust

• Multiple exhaust-tip configurations

The Competition Headers are the appropriate choice for customers who want maximum header flow while keeping the Porsche rear exhaust system.

CHECK ENGINE LIGHT / ECU CALIBRATION:

The Competition Headers remove the factory catalytic converters and particulate-filter hardware.

SOUL's current 992.2 Competition Header page does not publish a definitive no-CEL claim or specify a universal ECU-calibration requirement.

Because factory emissions components are removed, emissions-related diagnostic behavior can depend on vehicle specification and calibration.

Customers should confirm the appropriate calibration strategy for their intended vehicle and use before installation.

EMISSIONS / COMPETITION USE NOTE:

The SOUL Competition Headers remove factory catalytic converters and particulate-filter hardware.

These components are not CARB certified and may not be legal for use on emissions-controlled vehicles operated on public roads.

Customers are responsible for determining compliance with applicable federal, state, and local regulations before installation or use.