Unlock the full sound and performance potential of your Porsche 992 GT3 or 992 GT3RS with the Cen-Cal Motorsport High-Flow Equal-Length Headers, engineered specifically for the high-revving 4.0L flat-six.
Designed to complement the GT3 platform’s motorsport DNA, these headers dramatically improve exhaust flow, throttle response, and high-RPM power while delivering a cleaner, sharper, F1-inspired exhaust note. Every set is built with equal-length primary runners to maximize scavenging, sound clarity, and overall efficiency.
Hand-fabricated from premium T304 stainless steel, these headers are built to withstand extreme track temperatures while maintaining precise OEM-level fitment.
Construction & Design
T304 Stainless Steel Construction
Corrosion-resistant and heat-tolerant for long-term durability under track and street conditions
Equal-Length Primary Runners
Optimized for maximum scavenging, improved throttle response, and a cleaner high-RPM exhaust tone
Mandrel-Bent Tubing
Maintains consistent diameter for smooth exhaust flow and optimal gas velocity
Precision TIG Welding
Race-quality welds ensure strength, reliability, and a clean motorsport finish
OEM-Compatible Fitment
100% bolt-on design compatible with factory or aftermarket exhaust systems
Configuration Options
Choose the setup that best fits your build:
Free-Flow Catless Equal-Length Headers
Maximum exhaust flow
Loudest and most aggressive sound profile
Sharper, higher-frequency F1-style tone
Ideal for track and competition builds
200-Cell High-Flow Catted Equal-Length Headers
Performance-focused catalytic converters
Significant flow increase over OEM
Cleaner sound with reduced harshness
Balanced option for aggressive street or track use
Key Benefits
Noticeable horsepower and torque gains across the RPM range
Improved throttle response and engine efficiency
Reduced backpressure for optimal performance
Clean, motorsport-inspired exhaust tone
Fully reversible, bolt-on installation
Fitment
Porsche 992 GT3
Porsche 992 GT3RS
Availability & Lead Time
Some units may be in stock at our Oceanside, CA location. Most sets are made to order.
Yes. A tune is strongly recommended to maximize performance gains and prevent check-engine lights, especially with catless configurations.
Are these street legal?
No. These headers are intended for off-road and competition use and may not comply with emissions regulations.
Do they work with the factory exhaust system?
Yes. These headers are compatible with both OEM and aftermarket cat-back systems.
Are these a full replacement?
Yes. They completely replace the factory headers with a high-flow equal-length design.
⚠️ THIS PRODUCT IS FOR OFFROAD USE ONLY
Package Protection
Every CenCal order is eligible for Package Protection, powered by Redo. It is selected by default at checkout and covers your shipment against loss, theft, and damage in transit.
What it covers:
Lost packages confirmed by the carrier
Stolen packages marked as delivered but not received
Items that arrive broken or damaged in transit
Resolution: Approved claims receive a full replacement at no cost. For damage claims, you keep the damaged item and receive a brand new replacement.
Claims must be filed within 7 days of the delivery date. See the full policy or email support@cencalmotorsport.com if you need help.
If protection is removed at checkout, CenCal cannot file a claim or accept responsibility for shipping issues.
