Performance

Asked by Sav14 Apr 22, 2014 at 10:35 AM about the 2007 Audi A4 2.0T quattro Sedan AWD

Question type: Car Customization

I have a A4 and I put a Magnaflow Exhaust on it(Catback) if I got the resonators dropped
how much would the sound change?

1 Answer
45,875

Deathjam4 answered 10 years ago

to put it simply if you remove the cats you risk horse power and the car may not run correctly the cats are what helps provide the proper back pressure for the engine to run at the right speeds and such. hence why when you have a pipe leak at the flex pipes you lose acceleration.

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