sti oem downpipe VS. wrx oem downpipe
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06-02-2005, 01:04 PM
04 CTS-V b/b/b
99 GMC Highrider
Originally Posted by
the sti has LEV status UNa?
And also, the UP cat is mainly for startup Conditions, the Main cat is for normal driving, i don't see how the two wash.
The STi is LEV, the WRX is ULEV.
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