No only if you change the downpipe. Cat backs are safe without tunes
This is a discussion on SPT CAT BACK? within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; HAVE 2011 WRX HATCH AND DO I HAVE TO TUNE IF I GET SPT CAT BACK ?...
HAVE 2011 WRX HATCH AND DO I HAVE TO TUNE IF I GET SPT CAT BACK ?
-_- Brian -_- 2011 wrx 5 door ISM
sti short shifter/ sti shift fog kit / cnt cat back/rally armor vr2 black silver letter
http://www.clubwrx.net/forums/off-to...k-eye-mob.html
::StInK eYe MoB #7308
No only if you change the downpipe. Cat backs are safe without tunes
desiree
your friendly, neighborhood subaru girl
06 impreza wrx tr: cobb stage II - protuned by STi_Mikey!
hawk-eye alliance #11:11 // wingl3ss @ll!ance #17 // lvl 80 N.E.R.D.
no tune. my 2012 (bought new a month or so ago) came from the factory with the spt cat back. it sounds great. deeper note, but not enough to be bothersome. really sounds good!
now just have to buy thanks for info ladies
-_- Brian -_- 2011 wrx 5 door ISM
sti short shifter/ sti shift fog kit / cnt cat back/rally armor vr2 black silver letter
http://www.clubwrx.net/forums/off-to...k-eye-mob.html
::StInK eYe MoB #7308
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