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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.
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Features:
– Replaces the factory resonator on stock cat-back exhaust assembly with our high flow exhaust section.
n– Adds a nice deep exhaust note without the need for replacing the entire exhaust system.
n– Increase exhaust sound without adding drone.
n– Made from durable T304 Stainless Steel.
n– Stainless steel exhaust band clamps included.
n– Installs quickly using simple hand tools.
n– Completely reversible install.
n– Does not void warranty or cause a check engine light.
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Fitment:
Note: compatible with factory and aftermarket downpipes; but it is for factory cat-back exhaust only, does not fit aftermarket exhaust systems.
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FOR FACTORY CATBACK EXHAUST ONLY.
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You'll get an instant confirmation email with your part details and invoice. We source from a network of authorized suppliers across the country, so lead times vary by brand and part type — we'll send a tracking number the moment your parts move.
Made-to-order builds — carbon fiber bodywork, fabricated systems, custom finish work — run longer than off-the-shelf items because they're built per order. You'll get progress updates throughout the build.
Need a specific timeline on a part before you buy? Call 805-267-9762 or hit the chat — we'll check vendor stock direct and give you a straight answer.
Absolutely! Once your order ships, you'll get an email with a tracking link so you can follow its journey from our shop to your doorstep.
If your order ships via freight, you'll get a separate email with a direct link to the carrier's tracking page — easy and stress-free.
Things happen on the road — even to boxes. If your order arrives damaged, snap a few clear photos of the box and product and send them our way right away.
If your shipment is lost, just email or call us — we'll help track it down and guide you through the next steps to make it right.
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