Invidia Catted Downpipe w/ 2 Bungs – 2015-2021 Subaru WRX (Manual)

Catted Downpipe with 2 Bungs for the 2015-2021 Subaru WRX Manual

The Invidia Catted Downpipe with 2 bungs for the 2015-2021 Subaru WRX manual transmission is the standard two-bung catted downpipe for the FA20DIT 6-speed WRX. 76mm divorced-wastegate design, high-flow cat, two O2 sensor bung positions. Manual transmission specific routing.

DETAILS

• 76mm piping
• Divorced wastegate design
• High-flow catalytic converter
• Two O2 sensor bungs
• 304 stainless
• Manual transmission specific

Two bungs allow the factory narrowband O2 sensor to remain in its standard position while providing the second port for a wideband or additional sensor. The divorced wastegate design improves turbo efficiency and boost control on the FA20DIT.

The manual transmission routing is distinct from the CVT variant (INVHS15SWADOC), verify your transmission before ordering.

What’s in the Box

• Catted downpipe
• High-flow catalytic converter (integrated)
• Gaskets
• Mounting hardware
• Installation instructions

Why Choose Invidia

Invidia has been manufacturing performance exhaust systems in Japan since 1999, and in that time they have built a reputation that carries real weight in the tuning community. Every system is manufactured using SUS304 stainless steel and mandrel-bent tubing, which eliminates the flow restrictions and weak points that crush-bent alternatives introduce at every corner. Their in-house engineering team designs each application from scratch rather than adapting a generic template, which is why Invidia fitment is consistently tighter than the competition. The result is an exhaust that installs cleanly, seals correctly, and lasts. Invidia backs their products with a quality standard that is visible in the finish, the weld quality, and the hardware, details that reflect over two decades of refining the same core manufacturing process.

The RallySport Take

The two-bung catted downpipe for the 2015-2021 WRX manual is the correct specification for builds running a wideband and wanting proper sensor placement. If you are tuning the FA20DIT, order this version. Fits the 2015-2021 Subaru WRX with FA20DIT and 6-speed manual transmission.

Fitment