The Audi S4 B9 finally has an a valved cat back exhaust from ECS Tuning! The Cat back exhaust is a non-resonated valved exhaust with black 4 inch tips that uses the factory valve controller and settings. The ECS Tuning Valved Catback exhaust is paired currently with the stock downpipe.
Let us know in the comments below if we should put a Catted or Catless downpipe on the Audi B9 S4!
AUDI B9 S4 Valved Exhaust
www.ecstuning....
FULL MOD LIST FOR THE WHITE B9 S4
RS Quattro Grille
KW HAS Spring Kit
ECS 10mm flush kit
OEM Muffler Valve Mod
Unitronic Stage 1+ Tune
Unitronic Carbon Fiber Intake
Unitronic Intercooler
35% Ceramic Tints
3M Gloss Black Roof Wrap
Mid Smoke Taillights
Black Audi Logo and Badge
EuroImpulse Carbon Fiber Spoiler
ECS Tuning Valved Catback
Thanks for watching and stay tuned for more mods to the Audi S4 and S6!
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Негізгі бет The LOUDEST Valved Exhaust for the Audi B9 S4?!! (ECS Tuning Non-Res Catback)
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