ScoobySTI Posted January 2, 2014 Share Posted January 2, 2014 Hi guys , a quick one for you, do you need a remap if you swap your standard downpipe for a sports cat, now I know a de-cat would require a map to sort out the glueing and spooling issues but is a sports cat as bad. I have a version 4 STI. Cheers Quote Link to comment Share on other sites More sharing options...
Jay762 Posted January 2, 2014 Share Posted January 2, 2014 is it being used with a full sports system or a sport cat with standard system? Quote Link to comment Share on other sites More sharing options...
scottishtaffy Posted January 2, 2014 Share Posted January 2, 2014 pretty sure you wont need a re map for that. tho someone may know better lol Quote Link to comment Share on other sites More sharing options...
ScoobySTI Posted January 2, 2014 Author Share Posted January 2, 2014 It is not a standard exhaust, it is SS all the way to the down pip, with the un silenced mid section , sounds phenomenal but my standard downpipe has cracked and won't pass the MOT end of the month, don't want a decat and can't find a second hand original down pipe. Thank you. Quote Link to comment Share on other sites More sharing options...
ScoobySTI Posted January 2, 2014 Author Share Posted January 2, 2014 Nice one guys, the more info I can get on this the better, would rather a original but a cheap sports cat has come up. Quote Link to comment Share on other sites More sharing options...
Ash007ks Posted January 3, 2014 Share Posted January 3, 2014 have a look at the holy grail post mate, I believe its mentioned in there Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted January 4, 2014 Share Posted January 4, 2014 I fitted a sti tmic, cobra bell mouth sports cat and a k&n panel filter to my v3 uk turbo without a remap and had no issues with driveability or mot emissions for 4k miles until I got a esl remap . The classic ecu seems to be lenient enough (or makes minor adjustments to fuelling itself) but I would recommend considering a remap as you'd find quite a substantial increase in power , driveability and maybe even better mpg Quote Link to comment Share on other sites More sharing options...
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