Replaces OE catalyst with a high flow sports catalyst or decat. Removes the original GPF The use of de-cats, sports cats are for off road/motorsport use only. Using these parts would inhibit your...
Milltek GPF Back Exhaust System - Audi RS3 (8Y) Sportback - Pipework Diameter: 3.15" (80mm)- Available As Resonated (Quietest), Non-Resonated (Louder), Race (Loudest)- Includes Valve MotorsNotes: Not...