My satria neo CPS mid section piping is 1.75inch, my rear muffler 's piping is 1.7inch(because come with the muffler).. Will increase back pressure but wont cause restrictive airflow right when the air pass from 1.75 piping to 1.7.
Basic Intake and Exhaust Modification Guide, for normal aspirated cars v1.0
Jan 1 2011, 12:25 PM
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