S-FLO 4” Coupler: The S-FLO 4” Coupler transitions from 4.5” to 4” to accommodate aftermarket turbo inlet pipes that are 4” in diameter. Installation Instructions
This Part Fits:
Year
Make
Model
Submodel
2017-2020,2022-2024
Audi
RS3
Base
2018-2022
Audi
TT RS Quattro
Base
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