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1989–1994 Nissan Skyline GT-R Exhaust FAQ's

Please read our FAQs page to find out more.

How do I add sound without drone on an R32?

A resonated turbo‑back with proper muffler volume deepens tone while controlling rasp. Quality downpipes and high‑flow cats sharpen response with a tune.

Catted vs catless on the RB26—pros and cons?

High‑flow cats cut backpressure yet manage odor/rasp; catless flows more but may be emissions‑illegal. Always verify local laws and calibrate fueling.

Do divorced downpipes help spool?

Well‑designed bellmouth/divorced downpipes reduce turbine outlet pressure and improve response; size them for target power and boost control strategy.