hey guys, since I never ended up using my racingmazda header (anyone want to buy it?), I'm left with all the pieces, the testpipe in particular though, does anyone know if I can just swap it with the second cat?
would this test pipe also be the right size for use with the OBX 626 header? the 4-2-1 design from the 626/probe thats on ebay all the time. If it is the same mength and everything Im interested.