NoPistons -Mazda Rx7 & Rx8 Rotary Forum

- Performance Mods (https://www.nopistons.com/performance-mods-20/)

- - presilencer (https://www.nopistons.com/performance-mods-20/presilencer-53181/)

jrwest597

09-27-2005 07:01 PM

what is the benefit of a presilencer? any performance increase?also what is the difference between arx712a and a rx4 12a?

rowtareh

09-27-2005 07:31 PM

presilencer does what it says. silences the exhaust. it is meant for cat backs, or straight piped exhaust. not sure about increase in performance.

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