High-Flow Equal-Length Headers – Porsche 992 GT3 & 992 GT3RS

T304 Stainless Steel | Cen-Cal Motorsport

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.

• Typical production time: 5–15 business days
• Shipping time: ~10 business days

Please email support@cencalmotorsport.com to confirm current availability or lead time before ordering.

FAQs

Do I need a tune with these headers?

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