Mishimoto · New
Mishimoto Subaru Exhaust Adapter, Stock Downpipe to 3in Exhaust
MPN MMEXH-ADAP-SDAE · Store SKU misMMEXH-ADAP-SDAE
Supplier stock checked 11/7/2026, 10:56:24 AM UTC. Adding a part does not reserve it.
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Product details
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. 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 3" 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 3" 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. 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. Exhaust Adapter, Stock Downpipe to 3in Exhaust fits Subaru Subaru Exhaust Adapter, Stock Downpipe to 3" Exhaust
Manufacturer fitment & guides
Check MMEXH-ADAP-SDAE against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
