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1990–1996 Nissan 300ZX Exhaust FAQ's

Please read our FAQs page to find out more.

How do I add depth without drone on a Z32?

A resonated cat‑back with proper muffler volume controls rasp and drone. On TT models, downpipes and quality test pipes or high‑flow cats further sharpen response.

Catted vs catless on the VG30—what’s smarter?

High‑flow cats reduce backpressure while controlling odor and rasp; catless flows more but may be emissions‑illegal. Always check laws and calibrate fueling.

Do divorced downpipes help spool on TT cars?

Well‑designed bellmouth or divorced downpipes reduce turbine outlet pressure and improve response; match diameter to turbo size and power goals.