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Discussion Starter #1
Hi there,

I own an Audi A5 3.0 v6 tdi, on the previous models b8/b8.5 I have seen that when modifying the exhaust to straight pipe and back box delete + dpf delete you can hear the grunt of the v6 engine.

does anyone know whether this can also be done to the b9 model?

I have had dpf gutted and also straightpipe installed with backbox delete however it hasn’t made much difference to sound then stock.
Only thing I can suggest now i downpipe but would like to know if this will make any difference instead of putting in dead money.

Anyone else tried this modification or can assist the best way around this?

many thanks
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