1astrokeit Posted January 14, 2008 Share Posted January 14, 2008 my buddy has a megan racingcatless downpipe off an 03 sti and wondering if it will fit my 05 5 spd lgt? and its catless so im wonmdering if i put it on will i get a check engine light. the cars all stock right now. Link to comment Share on other sites More sharing options...
G.T.Subie Posted January 14, 2008 Share Posted January 14, 2008 No I don't think so. Denial is your best friend Link to comment Share on other sites More sharing options...
tytek Posted January 14, 2008 Share Posted January 14, 2008 Won't fit. It will be too short. However, an uppipe would. Link to comment Share on other sites More sharing options...
1astrokeit Posted January 14, 2008 Author Share Posted January 14, 2008 will any year sti downpipe fit? Link to comment Share on other sites More sharing options...
1astrokeit Posted January 14, 2008 Author Share Posted January 14, 2008 wut if i bought a hiflow cat and made it a lil longer when i weld it in? would that work? will the check engine light come on wit only one cat on it? Link to comment Share on other sites More sharing options...
05gtlimited300 Posted January 15, 2008 Share Posted January 15, 2008 sure it can fit if you weld in a HFC and make it longer, not sure about a CEL comming on but i think it does.... Link to comment Share on other sites More sharing options...
1astrokeit Posted January 15, 2008 Author Share Posted January 15, 2008 do you think im better with 2 high flow cats instead to replace the stock ones? Link to comment Share on other sites More sharing options...
captainmorgan Posted January 15, 2008 Share Posted January 15, 2008 I have a downpipe from an 02 wrx on mine. its like 4-5 inches too short. On the rest of the catback I had a muffler shop add a little extension. Cost like $60. Link to comment Share on other sites More sharing options...
Boostjunkie Posted January 15, 2008 Share Posted January 15, 2008 wut if i bought a hiflow cat and made it a lil longer when i weld it in? would that work? will the check engine light come on wit only one cat on it? The MR downpipe for an STi will not work at all even if you extend it. There is less clearance to the firewall on the LGT and the MR downpipe made for the STi will hit. I fabbed up the LGT downpipe that MR (and I) now sell so I'd know since I started with their WRX/STi downpipe. Link to comment Share on other sites More sharing options...
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