A4 B9 40 TFSI Avant Stone Exhaust Eddy Catalytic DP + Remote Control Valvetronic system in Catback"

A4 B9 40 TFSI Avant with Stone Exhaust Eddy Catalytic Downpipe + Remote Control Valvetronic system

One of the best wagon with one of the best exhaust, this is a lifestyle,

To hear is to believe

I LOVE WAGON!!!

"The pursuit of quality perfection in the balance of sound and performance"

https://www.youtube.com/watch?v=25KLACi-bDw

STONE Instagram 

https://www.instagram.com/stone.exhaust.official/

STONE YouTube 

https://www.youtube.com/channel/UCAwet67UUuUPJ2ICb_ZwnCA/featured?view_as=subscriber

STONE Instagram 

https://www.instagram.com/stone.exhaust.official/

STONE YouTube

https://www.youtube.com/channel/UCAwet67UUuUPJ2ICb_ZwnCA/featured?view_as=subscriber