Mk7 VW Golf, Sportwagen and Audi A3 TDI forums
Hey guys, first post here.
So i own my A3 for about 3 months now, it was time for some mods.
I removed the dpf and got a 2,5” downpipe (no brand)
2 days later decide to do a stage 1 tune and write off the dpf.
EGR has nothing done to it.
So when i got home from the company that did my tune. My...