ECS Tuning B8/8.5 S4 And S5 Exhaust Resonator Section
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ECS Tuning Product Description
It is easy to have the best of both worlds. Have you purchased our non-resonated ECS Tuning Valved Exhaust System for your B8/8.5 S4 or S5 and wanted a little less volume? Easily swap out your resonator delete with this resonated section in minutes!
*Only compatible with our ECS Tuning Audi B8/8.5 S4 and S5 Valved Cat-Back Exhaust Systems.