Exhaust Manifold With Catalyst Downpipe for Porsche 992 992.1 992.2 GT3 RS GT3RS 4.0

Part Number: 720595377676
Bull Boost Performance
$1,999.95
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Upgrade exhaust flow, heat management, and performance on your Porsche 911 992 GT3 / GT3 RS with the STRATEC Catted Exhaust Manifold & Downpipe System. Designed for the 4.0L naturally aspirated flat-six, this setup improves exhaust scavenging, reduces backpressure, and enhances throttle response while delivering a sharper, more aggressive motorsport exhaust tone.

Constructed from T304 stainless steel, this system features a high-flow catalytic converter and an integrated heat shield header to improve thermal efficiency and durability under extreme driving conditions. Ideal for both spirited street use and track-focused builds.


Key Features

  • Fits Porsche 911 992 / 992.1 / 992.2 GT3 & GT3 RS — 4.0L (2017–2024)

  • Catted exhaust manifold + downpipe system

  • T304 stainless steel construction for heat resistance and longevity

  • Integrated heat shield header for improved thermal protection

  • Reduces backpressure and improves throttle response

  • Enhances horsepower, torque, and exhaust tone

  • Performance-focused design for street or track use