Invidia HS05SW1DOC High Flow Catted Downpipe Divorced Wastegate with Extra O2 Bung

The Invidia HS05SW1DOC is a high-performance catted downpipe designed to significantly increase horsepower and torque while reducing turbo lag on turbocharged Subaru vehicles. This downpipe features a divorced wastegate design that separates exhaust flow exiting the turbo, reducing turbulence and optimizing exhaust flow for improved performance.

Key Features:

• Constructed from premium 304 stainless steel for durability and corrosion resistance
• Divorced wastegate flange separates exhaust flow for reduced turbulence and improved performance
• High-flow catalytic converter reduces backpressure while maintaining emissions compliance
• 76mm (3 inch) mandrel-bent piping diameter for maximum exhaust flow
• Large 4-inch stainless steel bellmouth enhances power by freeing excess exhaust gases
• Extra O2 sensor bung allows for aftermarket wideband sensor installation and advanced tuning
• Polished piping provides a premium appearance
• One-piece design for straightforward installation
• Direct bolt-on fitment to Invidia cat-back exhausts or factory exhaust systems

Important Notes: Professional tuning is required after installation to optimize vehicle performance and maintain safe running conditions. This product is not CARB compliant and is not legal for sale or use on public roads in California and other CARB states.