Downpipe – Turbo XS High Flow Catted for 2002–2007 Subaru WRX-STi & 2004–2008 Forester XT

Downpipe – Turbo XS High Flow Catted for 2002–2007 Subaru WRX-STi & 2004–2008 Forester XT

If you’re tired of sluggish turbo response and know your Subaru is capable of more, it’s time to upgrade with the Turbo XS High Flow Catted Downpipe. Designed specifically for 2002–2007 WRX-STi and 2004–2008 Forester XT models, this premium downpipe unlocks your car’s true potential by improving turbo spool, boosting horsepower, and enhancing overall throttle response. Whether you’re carving up backroads or laying down times at the strip, you’ll feel the difference every time you get on the gas.

Built for enthusiasts who demand performance without sacrificing drivability, this downpipe combines a high-flow catalytic converter with a smartly engineered pipe path for increased ground clearance, even on lowered cars. The 3.5" to 3" tapered piping and cast bellmouth design maximize exhaust gas flow, reduce lag, and keep you street-legal thanks to emissions compliance—all without compromise.

Installation is a breeze thanks to its two-piece design and complete hardware kit, making it perfect for DIYers and shop installs alike. The 304 stainless steel construction, hand TIG-welded polished finish, and wideband O2 bung mean your Subaru gets a durable, good-looking upgrade that works seamlessly with both stock and aftermarket exhaust systems.

Features and Benefits

• Two-Piece Design – Makes installation simple and allows for catalytic converter removal without replacing the entire downpipe.

• Cast 304 Stainless Steel Bellmouth – Maximizes exhaust gas flow for improved turbo response.

• 3.5" to 3" Tapered Piping – Reduces turbo lag and improves airflow efficiency.

• High-Flow Catalytic Converter – Keeps your Subaru emissions-compliant while delivering more power.

• Modified Pipe Path – Adds ground clearance, perfect for lowered vehicles.

• Hand TIG-Welded Polished Finish – Adds strength and style to your build.

• Wideband Oxygen Sensor Bung – Ready for aftermarket tuning and monitoring.

• Complete Installation Kit – Everything you need to bolt it on and go.

Stop Leaving Power on the Table

Don’t let a restrictive factory setup hold you back. With the Turbo XS High Flow Catted Downpipe, your Subaru comes alive—delivering sharper response, more horsepower, and a more exhilarating drive, all while staying emissions-friendly. Upgrade your build today and feel the difference every time you hit the throttle.

Specifications

What’s Included

• Turbo XS High Flow Catted Downpipe (Two-Piece Design)

• High-Flow Catalytic Converter

• Wideband Oxygen Sensor Bung

• Comprehensive Gasket and Hardware Kit

• Installation Instructions

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