2006-2009 Audi RS4 4.2L Direct Fit High Flow Metallic Substrate Catalytic Converters Magnaflow 16425
Complete Passenger and Driver Side 200 Cell Substrate delivers outstanding performance, all mandrel bent stainless steel construction.
On Sale for a Limited time!
vehicle | engine | year | description |
---|---|---|---|
Audi RS4 | 4.2L | 2007 | N/a; Naturally Aspirated; Off Road Use Only |
Audi RS4 | 4.2L | 2008 | N/a; Naturally Aspirated; Off Road Use Only |
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RS4 much more power!
Wow, what can I say...These downpipes opened my RS4 right up..The increased power and throttle response is very noticeable! Love it and I'll be back for the full catback system soon.