boymk123 Posted October 4, 2010 Share Posted October 4, 2010 Thinking to put on a DC up pipe, I heard it doesnt need any tune? How hard it is to install? What kind of gasket it needs? 44022AA170,44022AA15I? stock subie gaskets will fit? Does anyone have it and experience a faster boost? (just slightly, I know, I'm not going stage) Do I need to buy whatever the thing is at RadioShack to prevent CEL? Please advise Link to comment Share on other sites More sharing options...
robbie_R Posted October 5, 2010 Share Posted October 5, 2010 I'll double check those gaskets when I get to work but it's the same gaskets that are used on 02-07 Turbo'd Imprezas as well. You'll need a resistor (4.4ohm?) IIRC I think this was posted on Scooby mods somehwere for when you remove the EGT probe from the up-pipe as without cats you'll get a higher heat range and throw a CEL. You will notice full boost a few 100 rpms sooner. Link to comment Share on other sites More sharing options...
boymk123 Posted October 5, 2010 Author Share Posted October 5, 2010 please do, Link to comment Share on other sites More sharing options...
cricechex Posted October 5, 2010 Share Posted October 5, 2010 Just to clarify, 07+ GT's do not have cats in the UP but they would still benefit from an aftermarket version....? I could not find any performance info in my searches. Link to comment Share on other sites More sharing options...
boymk123 Posted October 5, 2010 Author Share Posted October 5, 2010 Just to clarify, 07+ GT's do not have cats in the UP but they would still benefit from an aftermarket version....? I could not find any performance info in my searches. really? I hope some experts will come in... give us some advices, c'mon guy and gal Link to comment Share on other sites More sharing options...
BalboaT4 Posted October 5, 2010 Share Posted October 5, 2010 Your 08 does not have a cat in the uppipe so no reason to swap it out Link to comment Share on other sites More sharing options...
Strizzy Posted October 5, 2010 Share Posted October 5, 2010 Some good info here about catless OEM vs. catless aftermarket UP: http://legacygt.com/forums/showthread.php/oem-catless-vs-aftermarket-up-pipe-debate-132863.html My bad luck build Link to comment Share on other sites More sharing options...
boymk123 Posted October 6, 2010 Author Share Posted October 6, 2010 Some good info here about catless OEM vs. catless aftermarket UP: http://legacygt.com/forums/showthread.php/oem-catless-vs-aftermarket-up-pipe-debate-132863.html look like we can gain some benefit there Link to comment Share on other sites More sharing options...
mwm5094 Posted October 6, 2010 Share Posted October 6, 2010 Just did my UP. Its not a DC but as far as the resistor mod goes, you need to do it. Here is the thread on how to do it and what to buy. Hope this helps, it did me. http://legacygt.com/forums/showthread.php/unofficial-05-06-lgt-2-2k-5w-resistor-up-pipe-131488.html Link to comment Share on other sites More sharing options...
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