Are you guys using stock plugs with your tuned RS6? Replace coil packs too? I found the stock spark plugs on Parts geek for $13.48 each. Any other sources?
Are you guys using stock plugs with your tuned RS6? Replace coil packs too? I found the stock spark plugs on Parts geek for $13.48 each. Any other sources?
2003 Audi RS6 Daytona/Silver, 2012 Porsche 911 Turbo S, 2016 Golf R 6 MT, 2018 Porsche Macan GTS