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Discussion in 'A4/S4 forum(B5 Chassis)' started by billybravo, Oct 16, 2006.
hiya could anybody tell me what size piping is used in the std audi a4 1.8T exhaust
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I am sure its 2.5"
Yep it's 2.5"
is it not 2.25"? looks a lot smaller than my milltek 2.75", definitely more that 1/2" difference....