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2020–2025 Chevrolet Corvette Exhaust FAQ's

Please read our FAQs page to find out more.

How do I add sound without drone on a C8?

A high‑quality cat‑back with proper muffler volume and a resonated section deepens tone while controlling rasp/drone for daily use.

Catted vs. catless headers/downpipes on the C8—what’s smarter?

High‑flow cats support power while controlling odor and rasp. Catless flows more but may be emissions‑noncompliant; check local laws and always tune.

Do I need a tune after header or downpipe changes?

Yes—post‑exhaust changes affect fueling and trims. A calibration restores targets and protects the engine under load.