• Mishimoto Catted Downpipe WRX 15 - 21 | WRX - 15CAT - JDMuscleFront Pipes and Downpipes / J - PipesMIMMMDP-WRX-15CAT
  • Mishimoto Catted Downpipe WRX 15 - 21 | WRX - 15CAT - JDMuscleFront Pipes and Downpipes / J - PipesMIMMMDP-WRX-15CAT
  • Mishimoto Catted Downpipe WRX 15 - 21 | WRX - 15CAT - JDMuscleFront Pipes and Downpipes / J - PipesMIMMMDP-WRX-15CAT
  • Mishimoto Catted Downpipe WRX 15 - 21 | WRX - 15CAT - JDMuscleFront Pipes and Downpipes / J - PipesMIMMMDP-WRX-15CAT
  • Mishimoto Catted Downpipe WRX 15 - 21 | WRX - 15CAT - JDMuscleFront Pipes and Downpipes / J - PipesMIMMMDP-WRX-15CAT
  • Mishimoto Catted Downpipe WRX 15 - 21 | WRX - 15CAT - JDMuscleFront Pipes and Downpipes / J - PipesMIMMMDP-WRX-15CAT

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Catted Downpipe

Fits: 15-21 WRX

$88566
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Other front pipes and downpipes / j-pipes for 15-21 WRX

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Fitment

Please Note: Direct fit for the 2015-2021 Subaru WRX with the FA20DIT engine; fits both 6-speed manual and CVT models (transmission-specific bracket included). A tune is required to realize the stated power gains. Part number: MMDP-WRX-15CAT.
  • 2015–2021 Subaru | WRX

Description

The Mishimoto Catted Downpipe is a direct-fit catted downpipe for the 2015-2021 Subaru WRX with the FA20DIT engine. It is a one-piece design with precision TIG-welded 304 stainless steel construction and uninterrupted exhaust flow from the 3.5-inch 4-bolt exhaust flange through the 3.0-inch downpipe, and with a tune it showed dyno-proven gains of up to 57 whp and 52 wtq on 93 octane fuel on the 6-speed WRX, with gains of up to 73 whp and 64 wtq when combined with a tune and the Mishimoto Subaru WRX Performance Air Intake.

  • Part number: MMDP-WRX-15CAT
  • Direct fit for the 2015-2021 Subaru WRX; fits 6-speed manual and CVT models
  • One-piece design with precision TIG-welded 304 stainless steel construction
  • 3.5-inch 4-bolt exhaust flange flowing through a 3.0-inch downpipe
  • High-flow catalytic converter
  • Dyno-proven gains of up to 57 whp and 52 wtq with the catted downpipe and a tune on 93 octane (6-speed); up to 73 whp and 64 wtq with a tune and the Mishimoto Performance Air Intake
  • Additional O2 sensor bung and plug in an ideal location for aftermarket wideband sensors
  • Includes new turbine housing studs and nuts, a new turbo outlet gasket, and a new 3-inch 2-bolt flange gasket
  • Mishimoto Lifetime Warranty

Frequently Asked Questions

Does this downpipe fit my WRX?
Yes, if your vehicle is a 2015-2021 Subaru WRX. The kit includes transmission-specific brackets for both the 6-speed manual and the CVT.

What is included in the box?
The box includes (1) stainless steel downpipe with 4-bolt turbo flange and 2-bolt cat flange, (1) stainless steel transmission bracket (manual or CVT), (1) high-flow catalytic converter, (1) additional M18 x 1.5 O2 bung with plug, flange gaskets, exhaust studs, and stainless steel hardware, covered by the Mishimoto Lifetime Warranty.

Do I need a tune with this downpipe?
Yes, the stated dyno gains were measured with a tune. With the catted downpipe and a tune on 93 octane fuel, Mishimoto saw gains of up to 57 whp and 52 wtq on the 6-speed WRX.

Shipping and Delivery

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Warranty and Support

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Return and Refund

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