Hi my first post just got a 06 a4 cab tdi can any one tell me i have just got a rs4 exhaust system and was going to put the 2 back boxs on, (lovely big ovals) but need the rear defuser changing, my local audi has them in stock just wanted to know if it will fit my bumper that is on my car now and if so are they easy to get off and re-fit p.s they look at lot better to honey comb finish or i know the s4 one will stright fit but will the ovals fit in side thanks
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