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CTS Resonator Delete Kit - B9 Audi S4 3.0T
CTS Resonator Delete Kit - B9 Audi S4 3.0T
CTS Resonator Delete Kit - B9 Audi S4 3.0T
CTS Resonator Delete Kit - B9 Audi S4 3.0T
CTS Resonator Delete Kit - B9 Audi S4 3.0T
CTS Resonator Delete Kit - B9 Audi S4 3.0T
CTS Resonator Delete Kit - B9 Audi S4 3.0T
CTS Resonator Delete Kit - B9 Audi S4 3.0T

CTS Resonator Delete Kit - B9 Audi S4 3.0T

CTS TURBO
Availability:
in stock, ready to be shipped
SKU CTS-EXH-TP-0019
$379.99 - $379.99
$379.99
$379.99 - $379.99
$379.99
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

CTS is proud to announce our resonator delete kit for the B9 Audi S4 3.0T. Get all the benefits of using this resonator delete (based on factory Audi part) without the high price tag. Features: - Replaces the factory resonator on stock cat-back exhaust assembly with our high flow exhaust section. - Adds a nice deep exhaust note without the need for replacing the entire exhaust system. - Increase exhaust sound without adding drone. - Made from durable T304 Stainless Steel. - Stainless steel exhaust band clamps included. - Installs quickly using simple hand tools. - Completely reversible install. - Does not void warranty or cause a check engine light. Fitment:
  • 2017-2021 B9 Audi S4
Note: compatible with factory and aftermarket downpipes; but it is for factory cat-back exhaust only, does not fit aftermarket exhaust systems. FOR FACTORY CATBACK EXHAUST ONLY.  

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 2 applications
S4
Make Model Engine Years
AUDI S4 2017–2021
AUDI S4 (B9) 2017–2021

Fitment data last updated: 2026-07-28

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