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Mishimoto
Mishimoto Subaru Exhaust Adapter 3 Downpipe to Stock Exhaust
SKU: M00C MMEXH-ADAP-3DSE
Moderate — 2–4 hours
Description
Part #: MMEXH-ADAP-3DSE
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 3in downpipe and stock 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 gets rid of any exhaust leaks when mating the Mishimoto Performance Stainless Steel Down pipe to your stock 2015+ Subaru WRX exhaust system. This Mishimoto Subaru Exhaust Adapter also comes with the Mishimoto Lifetime Warranty, you know and trust.
Features:
- Allows smooth exhaust-flow transition between 3" downpipe and stock-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 3" two-bolt flange gasket
- Mishimoto Lifetime Warranty
Exhaust Adapter, 3-in Downpipe to Stock Exhaust fits Subaru
MIA's Description
Fitment
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Specifications
| Brand | Mishimoto |
| Part Number | M00C MMEXH-ADAP-3DSE |
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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