MAP Downpipe Upgrade (2008-2021 Subaru STI)
When the turbo compresses exhaust gas, its forced through a narrow OEM downpipe on its way through your exhaust system.
This narrow pipe creates back pressure & reduces exhaust flow leaving your car short of its true power potential.
MAPerformance has crafted the perfect solution to unleash this power and is proudly offering it to the eager 15+ Subaru STI market.
Features
- Semi-divided Cast head pipe to maximize flow and eliminate boost creep!
- Divorced wastegate dump to increase turbine flow!
- 1/2 thick stainless turbo outlet flange
- Extra o2 bung and plug
- Made from 304 stainless steel for superior corrosion resistance and enhanced appearance
- Mandrel-bent tubing throughout optimizes exhaust flow
- Stainless steel flex section reduces stress from engine movement increasing longevity
- Designed to be used with your OEM turbo outlet gasket
Applications
- 2008-2014 Subaru WRX
- 2008-2021 Subaru WRX STI
- Will NOT Fit RHD Models
What’s Included
- One Piece Downpipe
- Adapter Included *Only for Stock Catback Option
- Required Hardware & Gaskets
- Installation Instructions
- Download Install Instructions Here
- Wastegate Porting Guide
Product Details
- Manufacturer part number: STI-4G-DPC-REV2
- MAP Limited Lifetime Warranty
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