Kooks Headers & Exhaust: Downpipe Adaptor [15-19 EcoBoost] nomex and conform perfectly to the

and conform perfectly to the contours of the GTC series 3D airfoils

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Kooks Headers & Exhaust: Downpipe Adaptor [15-19 EcoBoost] nomex and conform perfectly to theDetails Kooks Down Pipe Adaptor Allows Install of 3" Down Pipe with Factory or Aftermarket 2. 25" Exhaust 304 Stainless Steel Construction 3" Diameter Steps Down to 2. 25" Fits 2015 2019 EcoBoost Mustangs Product Resources 3" to 2. 25" Adaptor. Kooks has designed a versatile 3" to 2. 25" Adaptor that allows you to run one of Kooks own 3" Performance Down Pipes with either the stock exhaust or an aftermarket 2. 25" exhaust system perfect for upgrading