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. Features and Benefits Engineered to be used with the AWE 4.5" S-FLO Carbon Intake components and 4" aftermarket turbo inlet pipes.
Fits: Audi RS3 / TT RS. Confirm fitment with us before ordering.
