Unlock additional performance from your Porsche 992 GT3 RS with a professionally calibrated ECU tune. This software upgrade optimizes engine parameters to deliver stronger power, improved throttle response, and smoother power delivery.
Designed specifically for the 4.0L naturally aspirated engine, the tune enhances the driving experience while maintaining factory reliability.
Key Benefits
• Increased horsepower and torque
• Sharper throttle response
• Stronger mid-range acceleration
• Optimized ignition and fueling maps
• Compatible with aftermarket exhaust systems
Fitment
Vehicle: Porsche 992 GT3 RS
Model compatability: 992.1
Engine: 4.0L Flat-Six
Professional installation recommended
Shipping, duties, and tariffs included***
Exhaust System Components:
This exhaust system package includes the following components:
Catless Header
Maximize the performance potential of your Porsche 992.1 GT3/RS with our high-performance catless headers. Engineered to extract every ounce of power from your vehicle's engine.
By eliminating the restrictive catalytic converters, our catless headers optimize exhaust flow, resulting in significant gains in horsepower, torque, and throttle response.
Experience a more exhilarating driving experience both on the track and the road, with improved acceleration and a more aggressive exhaust note that truly reflects the Porsche 992.1 GT3/RS's racing pedigree.
Designed for easy installation and compatibility with the latest Porsche 992.1 GT3/RS model, our catless headers offer a seamless fit and superior performance.
Unleash the full potential of your Porsche 992.1 GT3/RS with our premium catless headers and elevate your driving experience to new heights.
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Unlock unmatched performance and an exhilarating exhaust tone on your Porsche 718 GT4, GT4 Spyder, or GT4 RS (2020+) with the FI Exhaust Equal Length Catless Headers. Precision-engineered from premium T304 stainless steel, these equal length headers maximize exhaust scavenging and improve turbine efficiency for stronger mid-range power and throttle response.
By removing factory restrictions and utilizing an equal-length design, these headers encourage more consistent exhaust flow while delivering a raw, aggressive soundtrack that complements the 4.0L flat-six engine’s performance character. Designed specifically for OPF-equipped Porsche 718 platforms, this catless header set integrates seamlessly with your existing exhaust system.
Whether you’re building a dedicated track car or refining your performance street setup, these catless headers elevate both sound and engine efficiency without compromise.
Features:
• Equal length runner design for optimized exhaust flow
• Premium T304 stainless steel construction
• Removes factory restrictions (catless design)
• Designed for Porsche 718 GT4 + GT4 Spyder + GT4 RS OPF (2020+)
• Enhances throttle response, mid-range power, and sound quality
Shipping, duties, and tariffs included.
Unlock improved exhaust flow, throttle response, and a more aggressive high-revving sound on your Porsche 718 GT4 RS OPF (2022+) with the Fi Exhaust Catless Downpipe. Built from premium stainless steel, this high-flow downpipe reduces factory restriction and enhances engine breathing.
Shipping, duties, and tariffs included.
Enhance the sound and performance of your Porsche 718 GT4 RS (2022+) OPF with the Fi Exhaust Valvetronic Muffler. Premium T304 stainless steel construction and integrated valvetronic technology provide dual-mode sound control — refined for cruising and aggressive under throttle. Direct bolt-on fitment with a bold exhaust note and improved airflow.
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Porsche 992 GT3/RS Performance Power Pack
ECU Software + FI Exhaust Catless Header
Unlock the full performance potential of your Porsche 992 GT3 RS with this performance upgrade package combining a custom ECU tune with FI Exhaust catless header.
By removing restrictive catalytic converters and optimizing ECU calibration, this setup dramatically improves exhaust flow, power delivery, and throttle response while producing an aggressive motorsport-inspired sound.
Estimated Performance Gains
• +25–40 HP increase
• +20–30 lb-ft torque
• Faster throttle response
• Improved high-RPM power
• Significantly louder and more aggressive exhaust tone
Package Includes
• Performance ECU Tune Calibration
• FI Exhaust Catless Headers
Fitment
Vehicle: Porsche 911 GT3/RS (992)
Engine: 4.0L Naturally Aspirated Flat-Six
Shipping, duties, and tariffs included***