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Exterior Components Body Panels and Components

Mishimoto

Mishimoto Subaru Exhaust Adapter, Stock Downpipe to 3in Exhaust

$71.00 $64.95 Save $6.05

SKU: M00C MMEXH-ADAP-SDAE

In Stock
In Stock
Ships by Aug 4
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: MMEXH-ADAP-SDAE

Don't let a pesky exhaust leak ruin the beautiful exhaust tone from your turbo Subaru. The Mishimoto Subaru Exhaust Adapter allows a smooth exhaust flow transition between your stock downpipe and your 3in sized exhaust. The engineers at Mishimoto know your Subaru was built for harsh climates, so they designed this adapter with 304 stainless steel material so it will never rust. This adapter installs in under 15 minutes and includes stainless steel hardware and a new 3in 2-bolt flange gasket, making installation simple. This exhaust adapter mates directly with your stock 2015 WRX exhaust flange and gets rid of any exhaust leaks when combining with the Mishimoto 2015+ WRX/STI Cat-Back Exhaust. This Mishimoto Subaru Exhaust Adapter also comes with the Mishimoto Lifetime Warranty you know and trust.

Features:

  • Allows smooth exhaust flow transition between stock downpipe and 3in sized exhaust
  • Eliminates infamous exhaust leaks caused by mating different exhaust flanges
  • 304 stainless steel adapter will not rust in harsh climates
  • Installs in under 15 minutes
  • Includes stainless steel hardware and 3in 2-bolt flange gasket

High-performance component engineered for durability, efficiency, and reliable operation under demanding conditions. Designed to support optimal system function across a wide range of automotive applications.

MIA's Description

The Mishimoto Exhaust Adapter is designed to provide a smooth exhaust flow transition between a stock downpipe and a 3-inch exhaust system. It effectively eliminates exhaust leaks that can occur when mating different exhaust flanges. Constructed from 304 stainless steel, this adapter is resistant to rust, even in harsh climates. Installation is straightforward and can be completed in under 15 minutes, with all necessary stainless steel hardware and a 3-inch 2-bolt flange gasket included. The adapter is backed by Mishimoto's Lifetime Warranty.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandMishimoto
Part NumberM00C MMEXH-ADAP-SDAE

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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