stock exhaust size

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11-05-2008, 11:08 PM

drewski44

1st Gear

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Join Date: Oct 2008

Posts: 23

stock exhaust size

whats the stock exhaust diameter for my 99 audi a4 2.8L quattro?

11-06-2008, 02:34 PM

airguard350

Tech Guru

Join Date: Jul 2008

Location: Lunatic Fringe

Posts: 5,540

On my '98 2.8 it's 2 1/4" into the resonator then 2 1/2" out of the resonator and into the muffler.

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