Feeler NorCal: Part-out, 02/03 WRX
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Joined: Sep 2006
Posts: 382
From: Sacramento, CA
Car Info: 2003 AW WRX
AP is married right now, but will be unmarried when I switch out all my parts. Comes with everything needed to use it with your car. Will work for 02 - 05 WRX's I believe.
the Bosal dp with test pipe, what is the size and flange type on the test pipe? i know the bosal ends like the oem style oval outlet to the third cat, is the test pipe entrance the same? and is it 3" or 2.5" on the other side? also, is the flange on the test pipe like oem donut gasket or is it a flat flange for aftermarket applications? thanks.
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