Improve exhaust flow, turbo response, and power throughout the rev range with the MAPerformance Rev 4 Catted Downpipe for the 2015-2021 Subaru WRX with a manual transmission.
This downpipe uses a 3.5-inch bellmouth that transitions to 3-inch mandrel-bent tubing and includes a high-flow catalytic converter. It is constructed from 304 stainless steel and includes a flex section to reduce stress caused by engine movement.
Features
Improve exhaust flow, turbo response, and power throughout the rev range with the MAPerformance Rev 4 Catted Downpipe for the 2015-2021 Subaru WRX with a manual transmission.
This downpipe uses a 3.5-inch bellmouth that transitions to 3-inch mandrel-bent tubing and includes a high-flow catalytic converter. It is constructed from 304 stainless steel and includes a flex section to reduce stress caused by engine movement.
Features
- 3.5-inch bellmouth to 3-inch piping
- 304 stainless steel construction
- Mandrel-bent tubing for improved exhaust flow
- Stainless steel flex section
- Uses the factory ground strap
- Designed for use with the OEM turbo outlet gasket
- 304 stainless steel CNC-machined turbo outlet flange
- Made in the USA
- MAP Limited Lifetime Warranty
Fitment
- 2015-2021 Subaru WRX with manual transmission
Does not fit CVT models.
Flange adapter is not included. A separate flange adapter is required when connecting this downpipe to the factory cat-back exhaust. It can connect directly to compatible aftermarket cat-back exhaust systems.
What's Included
- MAP WRX catted downpipe
- 3-inch V-band clamp
- M6 cap screw and nut
- 3-inch two-bolt gasket
- Two M10x1.25x40 bolts
- Two M10x1.25 flange nuts
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